Grammar fix
main difference
most important difference
the biggest or most important way in which two or more things are not the same
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
The main difference between city life and country life is the pace—everything moves much faster in the city.
In my opinion, the main difference between studying at school and at university is the level of independence you have.
Fix the pattern
One small grammar move makes it sound right.
Not: The main difference between cats to dogs.
Say: The main difference between cats and dogs.
'Difference BETWEEN X AND Y' — use 'and', not 'to'.
Which sounds natural?
Tap the one a native speaker would say.
'The main difference' is natural; 'principal point of divergence' is jargon.
Build natural chunks
Words that usually travel with it.
the main difference (between)
- between
- and
- is that
- biggest