Grammar fix
main advantage
most important benefit
The biggest or most important positive point about something, especially when comparing options.
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
The main advantage of working from home is that you can save time on commuting.
In my opinion, the main advantage of studying abroad is that you get to experience a different culture.
Fix the pattern
One small grammar move makes it sound right.
Not: Its main advantage is to be cheap.
Say: Its main advantage is that it's cheap.
Follow with 'that + clause' or a noun, not 'to be'.
Which sounds natural?
Tap the one a native speaker would say.
'The main advantage' is natural; 'foremost beneficial aspect' is jargon.
Build natural chunks
Words that usually travel with it.
the main advantage (of)
- of
- biggest
- is that
- over