Don't leave the tap running.
別把水龍頭開著白白流水。
You can ask for a chemical analysis of your tap water.
你可以要求給你的自來水做化學分析。
You'll be able to get a taxi outside the station.
在車站外可搭乘出租車。
I think the sensible thing would be to take a taxi home.
我想還是坐出租車回去的好。
She never took a taxi, even though she could afford to.
盡管她坐得起出租汽車，但她從未坐過。