“惯例”造句

给服务员、行李搬运工、导游和司机小费是惯例。
It is usual to tip waiters, porters, guides and drivers.

这些工作组将按惯例工作。
These working parties will be going over well-trodden ground.

这条惯例对我们不适用。
The convention does not apply to us.

• #惯例