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Discover LudwigSuggestions(5)
The phrase 'is a key' is correct and can be used in written English.
You can use this phrase to describe something that has an important role or is essential for success. For example, "Self-motivation is a key to success."
Exact(60)
This is a key point.
"Locally sourced is a key advantage".
Westchester County is a key battleground.
Blame is a key component of progress.
Clearly, suspense is a key factor.
Pakistan is a key "all weather" ally.
Moisture is a key element to consider.
Johnson is a key to any turnaround.
And this is a key question.
This is a key point to remember.
That sector is a key ally.
More suggestions(25)
administrators is a key
be a key installation
be a key preoccupation of
bleeding is a key
biopsy is a key
be a key discriminator
compartmentalization is a key
documentation is a key
detector is a key
departments is a key
department is a key
declaration is a key
disorder is a key
diversification is a key
expertise is a key
equilibrium is a key
envisaged to be a key
epidemic is a key
estates is a key
estate is a key
equilibria is a key
found to be a key motif
formula is a key
fragmentation is a key
health is a key enabler of wellbeing
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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