Teach your driver not to, unless absolutely necessary.

教你的司机不要这样做，除非是在绝对必要的时候。

youdao

Don't use a speaker phone unless absolutely necessary.

若非必要，不要使用电话的免提功能。

youdao

Avoid case insensitive searches unless absolutely necessary.

除非绝对必要，否则应该避免大小写不敏感的搜索。

youdao

I won't risk your lives unless it is absolutely necessary.

VOA: standard.2009.10.26

Police are advising motorists not to travel on roads affected by snow unless absolutely necessary.

BBC: NIE confirm network fault caused Belfast blackout

The minister asked people not to attend Accident and Emergency or their GP unless absolutely necessary.

BBC: Northern Ireland healthcare hit by water crisis

The act incorporated many of her recommendations aimed at ensuring that children were not removed from parents unless absolutely necessary.

BBC: NEWS | UK | Profile: Elizabeth Butler-Sloss