找头

zhè shì nǐ de zhǎo tou

这是你的找头。

Here is your change.

zhǎo tou nǐ jiù liú zhe ba

找头你就留着吧。

You may keep the balance.

qǐng zài lí kāi qián qīng diǎn yī xià nǐ de zhǎo tou

请在离开前清点一下你的找头。

Please check your change before leaving the counter.

nǐ wàng le gēn wǒ yào zhǎo tou le

你忘了跟我要找头了。

You forgot to ask me for the change.