Could he not, just as a precaution, move to a place of safety?.
就算仅仅是为了以防万一,难道他就不能挪到安全的地方吗?
I had taken the precaution of doing a little research before I left London.
我已在离开伦敦前进行了准备,做了些调查研究。
Extra safety precautions are essential in homes where older people live.
在有老人的家里,采取额外的安全防范措施是绝对必要的。
(just) as a precaution
take every precaution
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