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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
can be left blank
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "can be left blank" is correct and usable in written English.
You can use it when you want to indicate that a certain item doesn't need to be filled in. For example: "Please fill out your name in the box below. The other boxes can be left blank."
✓ Grammatically correct
Academia
News & Media
Wiki
Science
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
15 human-written examples
A log file only used for debugging; can be left blank.
Academia
The [chips] section can be left blank, in which case none of the values defined in.chips.rc are overridden.
Academia
Alternately, if a WCS is already present in either the input or reference source lists, those values will be used and wcsfile can be left blank.
Academia
For the slightly paranoid, it can be left blank so if it is lost, the person recovering it will not know what it protected.
News & Media
hi The maximum value to use: for ACIS this value is in keV and must be given, for HRC it is in PI channels and can be left blank.
Academia
lo The minimum value to use: for ACIS this value is in keV and must be given, for HRC it is in PI channels and can be left blank.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
It can also be left blank and users can use the 'telescope' and 'instrument' parameters.
Academia
Port can most often be left blank unless the server is operating on a nonstandard port that needs to be specified.
Wiki
None may be left blank.
Science & Research
With this change, Box 2 will be left blank.
Academia
2005 will be left blank.
News & Media
Expert writing Tips
Best practice
When using "can be left blank", ensure the context clearly indicates what item or field is optional. For example, "The phone number field can be left blank if you prefer not to provide it."
Common error
Avoid assuming all fields are optional simply because one is explicitly stated as such. Always clarify which specific fields "can be left blank" to prevent confusion.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "can be left blank" functions as an instructional phrase, specifically advising the user about the optionality of a particular field or entry. Ludwig's examples show it used across various contexts like forms, documents, and software interfaces.
Frequent in
Academia
25%
Wiki
25%
News & Media
21%
Less common in
Science
21%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
The phrase "can be left blank" is a common and grammatically correct way to indicate that a field or section is optional. As Ludwig AI suggests, the phrase is widely used across various contexts, including academic, news media, and wiki sources. When using "can be left blank", ensure that it's clear what specifically the phrase refers to. Related phrases include "is optional" and "may be omitted". Remember, this phrase helps to guide users by clarifying that certain fields do not require their input. The authoritative sources are Harvard University, WikiHow, The New York Times, Duke University and Huffington Post.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is optional
Indicates that something is not required.
can be skipped
Suggests that a section or step can be bypassed entirely.
may be omitted
Emphasizes the possibility of omitting something, maintaining a formal tone.
no entry required
Directly indicates that nothing needs to be written or entered.
need not be filled in
Uses a more formal tone to express that completion is unnecessary.
is not compulsory
Formally states that something is not obligatory.
is not a required field
States clearly that a particular field doesn't need to be completed.
does not require completion
Highlights that filling in a field or section is not mandatory.
leave empty if inapplicable
Specifies that the field should be left empty if it doesn't apply.
fill only if applicable
Indicates to complete only if the info is relevant, otherwise skip it.
FAQs
How do I use "can be left blank" in a sentence?
Use "can be left blank" to indicate that a particular field or section in a form or document is optional. For example, "The middle name field can be left blank if you don't have one."
What's a simpler way to say "can be left blank"?
Alternatives include "is optional", "not required", or "may be omitted" depending on the formality you want to convey.
Is it grammatically correct to say "can be left blank"?
Yes, "can be left blank" is grammatically correct and widely used to denote that filling in a particular field is not mandatory. Ludwig AI confirms this assessment.
What does it mean when a form says a field "can be left blank"?
It means that you are not required to provide information in that specific field. You may skip it without affecting the processing of your form or request.
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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
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested