以备不时之需 Rainy day ; for a rainy day ; against a rainy day ; For unexpected needs
备不时之需的 occasional
他们可以备不时之需 They can prepare for contingencies
存钱以备不时之需 put sth by
以备行动不时之需 to assist in operational support
备不时之需
Just in case
以上为机器翻译结果，长、整句建议使用 人工翻译 。
即使是拥有一个小额存款也可备不时之需，比如突然需要支付医疗费用等。
Having even a small cushion of savings to fall back on allows people to deal with the unexpected, such as suddenly having to pay for medical treatment.
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