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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it alone contains
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it alone contains" is correct and usable in written English.
You can use it to emphasize that something is the sole source or holder of specific information or elements. Example: "This document is crucial because it alone contains the original signatures required for validation."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
Unlike C6-C9 and Perforin-1, Perforin-2 is predicted to be an integral membrane protein because it alone contains a membrane spanning alpha helix (TM) followed by a short cytosolic tail.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
As we already have seen in some developing countries, this issue alone contains social dynamite: it can create revolutions.
Islam holds that the Qurʾān alone contains revelation in the strict sense (waḥy), but it accepts tradition (Hadith) as a supplementary source of Islamic law (Sharīʿah).
Encyclopedias
That word alone contains something gigantic, bombs of sunlight, drums.
News & Media
The city's Zoning Resolution alone contains more than 165 exasperating pages of parking rules.
News & Media
Beavers will forever possess a gravitational pull for those who believe their name alone contains a wealth of comic potential.
News & Media
And the art is everywhere: the living room alone contains original works by Gary Hume, Tracey Emin and Sarah Lucas (Quinn's friends and contemporaries).
News & Media
Tide detergent alone contains 27 separate ingredients – including "fragrance", which in itself can contain hundreds of individual chemical compounds, and can be used to hide a multitude of sins.
News & Media
Mr. Lanivich said the Web site alone contains more than 80 videos and 50 links, some of which let visitors unlock content like exclusive discounts on certain purchases made on Alltel's main Web site.
News & Media
The miniseries category alone contains "Behind the Candelabra," "Top of the Lake," and "American Horror Story: Asylum" — three of the most thrilling, daring, and strange television shows I've seen in years.
News & Media
The first 90-minute episode alone contains enough plot – unexpected pregnancy, shotgun marriage, gambling addiction, a tragic and avoidable accident, two hidden love affairs – to fuel nine or 10 episodes of most other shows.
News & Media
Expert writing Tips
Best practice
Use "it alone contains" to emphasize that a particular source or item is the only one that holds certain information or components. This can be useful in technical writing or when making a specific claim about exclusivity.
Common error
Avoid using "it alone contains" too frequently as it can make your writing sound repetitive. Vary your sentence structure by using synonyms or rephrasing to maintain reader engagement.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it alone contains" functions as a declarative statement emphasizing the exclusivity of something holding specific content. It highlights that the subject is the only entity possessing particular components or information, as demonstrated by the example provided by Ludwig.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "it alone contains" is a phrase used to emphasize that a specific item or source is the only one that includes or holds certain information or components. Though grammatical and understandable, its usage is relatively rare. Ludwig shows the phrase finds its place in scientific, news, and encyclopedia contexts, denoting exclusivity. When using this phrase, ensure that you intend to highlight the unique possession of the content in question and consider alternatives if you aim for more varied sentence structure.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it exclusively includes
Emphasizes that only the specified elements are included, highlighting exclusivity.
it solely comprises
Highlights that the subject is made up of only the listed components.
it uniquely possesses
Focuses on the unique characteristic of having certain attributes or features.
it solely consists of
Indicates that the composition is limited to what is mentioned.
it alone encapsulates
Highlights that it contains in a compact form.
it singularly embodies
Implies that only it represents or exemplifies something.
it alone is filled with
Focuses on the contents and the fact that only this one thing has them.
it exclusively holds
Stresses that nothing else holds what is being referred to.
only it incorporates
Highlights the act of inclusion, specifying that only this does so.
it independently integrates
Focuses on the self-contained and complete nature of the elements contained within.
FAQs
How can I use "it alone contains" in a sentence?
Use "it alone contains" to highlight that something is the sole source or holder of specific information or elements. For instance, "This document is crucial because "it alone contains" the original signatures required for validation".
What phrases are similar to "it alone contains"?
Alternatives include "it exclusively includes", "it solely comprises", or "it uniquely possesses", depending on the context.
Is "it alone contains" grammatically correct?
Yes, "it alone contains" is grammatically correct. The word "alone" modifies "it" to emphasize its exclusivity in containing something.
When should I use "it alone contains" instead of "it also contains"?
"It alone contains" should be used when you want to emphasize that something is the only thing that contains something. "It also contains" implies that other things contain it as well.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested