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

The whole point of AXIOM is to avoid building a full representation of XML data unless absolutely necessary.

AXIOM的关键思想是，除非在绝对必要的情况下，否则将避免构建完整的XML数据表示。

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