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.daily life
- In my opinion, the main difference between studying at school and at university is the level of independence you have.IELTS speaking
Fix the pattern
Pattern: the main difference (between A and B) (is/was)...
WrongThe main difference between cats to dogs.
RightThe main difference between cats and dogs.
'Difference BETWEEN X AND Y' — use 'and', not 'to'.
Patternthe main difference (between A and B) (is/was)...
Use it right
Choose the version that sounds natural in speech.
'The main difference' is natural; 'principal point of divergence' is jargon.
Build natural chunks
Words that usually travel with it.
the main difference (between)betweenandis thatbiggest
Don't confuse it
‘Main difference’ focuses on the most important point, while ‘other differences’ are less important.