go a long way

US /ɡoʊ ə lɔŋ weɪ/
UK /ɡoʊ ə lɔŋ weɪ/
"go a long way" picture
1.

to be very helpful or useful over a long period of time

:
A little kindness can go a long way in making someone's day better.
These durable shoes will go a long way.