Used and loved by millions
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
on both cities
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on both cities" is correct and usable in written English.
It can be used when discussing something that applies or is relevant to two cities simultaneously. Example: "The new policy will have a significant impact on both cities, improving public transportation and reducing traffic congestion."
✓ Grammatically correct
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Odds on both: 6/1.
News & Media
NMR spectra were collected on both LNF15 and LiF powders (Fig. 3).
Science & Research
Whereas White cannot control his d4 square with a pawn, Black bears down on both d4 and d5 with pawns.
News & Media
M43 may represent a new class of bnAbs targeting conformational epitopes overlapping structures on both gp120 and gp41.
Academia
However, our data show that phosphorylation on both S142 and S138 entirely depends on mTOR activity (Fig. 5).
Science & Research
Because taltirelin and midazolam act on both TRHR1 and TRH receptor 2 (TRHR2)20, we investigated knockout mouse lines for both subtypes.
Science & Research
The results of kinetic studies show that 3a/3b exhibit significant inhibition on both 2,3- and 2,6-sialytransferases.
Science
Experimental data enumerated the influence of reactor configuration on both H2 production and wastewater treatment.
The results show that it is optimal to levy tax on both CO2 and methane.
Science
The selected operational factors showed marked influence on both H2 production and wastewater treatment.
Interestingly, CCR5 was down-regulated on both CD14+ monocytes and CD3+ T cells during CCL5-driven migration.
Science
Expert writing Tips
Best practice
Use "on both cities" when referring to something that impacts or is situated atop or relevant to two specific cities simultaneously. For broader regional impact, consider alternatives like "across both cities".
Common error
Avoid using "on both cities" when the context implies a wider regional or national impact. In such cases, "across both cities" or "throughout both cities" may be more appropriate to accurately reflect the scope.
Source & Trust
60%
Authority and reliability
3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on both cities" functions as a prepositional phrase, modifying a verb or noun by specifying the location, impact, or relevance concerning two cities simultaneously. Absence of examples in Ludwig suggests infrequent direct usage.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "on both cities" is grammatically correct, but examples are missing. Ludwig indicates a grammatically sound but infrequently used phrase. Alternatives like "in both cities" or "across both cities" may be more common depending on the intended meaning. When using "on both cities", ensure the context clearly indicates a direct relationship or impact specific to the two named cities. Pay attention to the scope and choose alternatives if a wider regional effect is implied.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in both cities
Replaces 'on' with 'in', focusing on location rather than influence.
across both cities
Emphasizes a wider scope or coverage compared to 'on'.
between the two cities
Highlights the connection or relationship directly between the cities.
affecting both cities
Focuses on the impact or influence on the cities.
pertaining to both cities
Suggests relevance or relation to the cities.
concerning both cities
Similar to 'pertaining to', but may imply a formal matter.
regarding both cities
Neutral way to indicate the subject is the two cities.
for both cities
Indicates something is done or intended for the benefit of the cities.
with respect to both cities
More formal way of saying 'regarding'.
in relation to both cities
Highlights the interconnectedness or dependencies of the two cities.
FAQs
How can I use "on both cities" in a sentence?
You can use "on both cities" to describe an impact or situation that affects two specific cities. For example, "The new policy will have a significant impact "on both cities", improving public transportation and reducing traffic congestion."
What's a good alternative to "on both cities"?
Alternatives to "on both cities" include "in both cities", which focuses on location, or "across both cities", which suggests a wider regional scope.
Is it ever correct to say "in both cities" instead of "on both cities"?
Yes, "in both cities" is often a more appropriate and natural-sounding alternative to "on both cities", especially when discussing locations or activities within the cities.
What is the difference between saying "affecting both cities" and "on both cities"?
"Affecting both cities" highlights the impact or influence on the cities, while "on both cities" suggests that something is located or focused on those cities.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
60%
Authority and reliability
3/5
Expert rating
Real-world application tested