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.
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.
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.
带只备用轮胎去，以备不时之需。
你最好留一些钱以备不时之需。
妈妈总是建议我存钱以备不时之需。
Mom always keeps advising me to save some money for a rainy day.
他还需要存一些额外的钱以备不时之需。
我们都需要储蓄一些钱以备不时之需。
你应该存点钱以备不时之需。
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
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.
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.
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.
此外，还提供了美元和欧元以外的货币流动性互换，以备不时之需。
It also provides for swaps in currencies other than dollars and euros, if such a need should arise.
每个月余下的500元，可以作为日常生活的备用金，以备不时之需。
The remaining 500 yuan per month, can be used as the daily life of imprest, for emergency use.
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.
如果你坐在出口一排，要仔细研究舱门，知道如何开门，以备不时之需。
If you're sitting in an exit row, study the door and make sure you know how to open it if you need to.
如果你坐在出口一排，要仔细研究舱门，知道如何开门，以备不时之需。
If you're sitting in an exit row, study the door and make sure you know how to open it if you need to.
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