go a long way
US /ɡoʊ ə lɔŋ weɪ/
UK /ɡoʊ ə lɔŋ weɪ/

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