Grammar fix
a key driver
main factor (figurative, abstract)
an important factor or main reason that strongly influences a situation, change, or result, especially in discussions about trends, progress, or causes.
Hear it in context
Notice where the phrase sounds natural.
Rising energy costs have become a key driver of inflation in many countries.
In my opinion, urbanisation is a key driver of environmental problems, as it leads to increased pollution and greater demand for resources.
Fix the pattern
One small grammar move makes it sound right.
Not: Tourism is a key driver for the economy.
Say: Tourism is a key driver of the economy.
'A key driver OF' something, not 'for'.
Which sounds natural?
Tap the one a native speaker would say.
'A key driver of' is standard analytical phrasing; the paraphrase is bulky.
Build natural chunks
Words that usually travel with it.
a key driver of
- of growth
- of change
- of demand
- behind