惯例再一次告诉我们，小费多少是根据帐单金额计算出来的。

Once again, custom dictates that we tip as a percentage of the bill.

youdao

惯例再一次告诉我们，小费多少是根据帐单金额计算出来的。

Once again, custom dictates that we tip as a percentage of the bill.

youdao