她有先见之明，经济上作了准备以防万一发生事故。

She had had the foresight to prepare herself financially in case of an accident.

《牛津词典》

万一发生火灾，我们应该保持冷静，尽快离开。

In case of fire, we should stay calm and leave as quickly as possible.

youdao

万一发生事故，自行车骑行者应该知道怎样进行急救。

In case of an accident, bicycle riders should know how to give first aid.

youdao

They would tell these women, you know, if you buy life insurance on your husband, then should anything happen your husband can love and protect you from beyond the grave.

他们会告诉这些女人,如果你为你的丈夫购买了寿险,那么万一有意外发生,你丈夫的在天之灵仍会保佑你渡过难关

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