这样既可以防止水进入油箱，又可以作为能源储备，以备不时之需。
This will keep water out of the tank and will be a reserve in case you get into trouble.
我已经存了一些钱以备不时之需，但在我们走之前，我可能需要多挣点钱。
I've got a little put-aside for a rainy day, but I might need to earn a little more before we go.
存点钱以备不时之需是明智的选择，因为我们永远不知道明天会发生什么。
It is a wise choice to put some money aside for emergency as we never know what will happen tomorrow.
我已经存了一些钱以备不时之需，但在我们走之前，我可能还要再多挣点。
I've got a little put aside for a rainy day, but I might need to earn a little more before we go.
我们应该节省一些粮食，以备不时之需。
我喜欢在手头留存一些信封，以备不时之需。
他正打算积蓄财富以备不时之需。
我也争取到点资金以备不时之需。
I also asked for a little petty cash to work with as I needed it.
他为不时之需存了些钱。
带只备用轮胎去，以备不时之需。
囤积现金以备不时之需被视为执行想象力的失败。
Hoarding cash for a rainy day was seen as a failure of executive imagination.
他还需要存一些额外的钱以备不时之需。
我们应当积累一笔储备金以应不时之需。
把东西存起来以备不时之需往往是个好主意。
PUTTING something aside for a rainy day is rarely a bad idea.
我把这本书放在手边，仅仅是以备不时之需。
开始储蓄以备不时之需
我不想把这些额外收入花掉，我打算存起来以备不时之需。
I don't want to spend this extra money. I'll save it up for a rainy day.
许多藻类会生成油，作为食物储存以备不时之需。
Many algae make oil, which they store as a foodstuff against an uncertain future.
这些车当然也有汽油引擎，以备电动引擎不时之需。
These cars have petrol engines, too, to back the electric ones up;
我太太从来不会将我每个月带回家的前花光，她坚持存钱以备不时之需。
My wife never spends all the money I bring home every month. She insists on saving for a rainy day.
您可以在您的爱车里放一个小急救箱来保护您宠物的安全，以备不时之需。
A small first aid supply kit kept in your car can be a live saver for your pet.
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.
我想只有当我们需要什么时才去购买，而不是像购股票那样购买食品以备不时之需。
I want to buy what we need when we need it instead of stock-piling food all the time.
我没有，但是我有一个朋友正打算在普林斯顿附近待一阵，以防她儿子有不时之需。
I say no, but we have a friend who is planning to hang around for a while in Princeton for her son just in case.
别忘了带一个便携式的收音机，以备在你们兴之所至，想要跳上一段的时候的不时之需。
Take along a portable radio so that you can indulge in some impromptu dancing if the mood takes you.
他说，这怎么可能，还要为医疗以及其他不时之需作准备，中国的社会保障太微不足道了。
That would be impossible, he says, given how much he must save to protect himself against medical and other emergencies in a society that has only a flimsy social safety net.
去年春天，该基金至多可筹集500亿欧元，以备向匈牙利等国提供紧急贷款的不时之需。
The fund’s ceiling was raised to euro50 billion last spring, to cope with the potential need for emergency loans to Hungary and others.
去年春天，该基金至多可筹集500亿欧元，以备向匈牙利等国提供紧急贷款的不时之需。
The fund’s ceiling was raised to euro50 billion last spring, to cope with the potential need for emergency loans to Hungary and others.
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