keep the change - Wiktionary
Phrase
keep the change
An instruction to a taxi driver, waiter etc. to keep the change from the amount handed over as a tip
Translations
Mandarin:
不用找了 (bù yòng zhǎo le)
https://en.wiktionary.org/wiki/keep_the_change
弱智文盲唔好學人上連登ok?