I took the precaution of locking money in the safe.
我把所有的钱都锁

箱里以防万一。
I took the precaution of locking money in the safe.
我把所有的钱都锁

箱里以防万一。
There is a supplementary water supply in case the rain supply fails.
万一主水源断了, 我们另外有供水的
方。
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