waste not, want not
US /weɪst nɑːt wɑːnt nɑːt/
UK /weɪst nɒt wɒnt nɒt/
成語
省著點用，就不會缺, 勤儉節約
if you use resources carefully and do not waste them, you will always have enough and not be in need
範例:
•
I always save the leftovers for tomorrow's lunch; waste not, want not.
我總是把剩菜留到明天午餐吃；省著點用，就不會缺。
•
She mends her old clothes instead of buying new ones, believing in the motto 'waste not, want not'.
她縫補舊衣服而不買新衣服，堅信「省著點用，就不會缺」的格言。