我们最好现在离开，以防万一。
万一照片没有你想象的那么好看怎么办？
我在该日期几天前写一个提醒，以防万一。
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.
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.
出发前，一定要准备好暖和的衣服和雨衣，以防万一！即使是有经验的旅行者也会迷路。
Before you set out, always get warm clothes and raincoats ready, just in case! Even experienced travelers get lost.
你最好把身份证复印一份，以防万一。
You'd better make a copy of your Identity Card, just to be on the safe side.
我们只是买保险以防万一。
Yet we purchase insurance to cover us in case the unthinkable happens.
旅行时，我总是随身带着药，以防万一。
I always carry some medicine with me whenever I'm traveling, just to be on the safe side.
但是我不想抱太大的希望，万一它不是呢。
But I didn't want to get my hopes too high in case it wasn't.
我们有一台万一断电时使用的备用发电机。
万一将来你也犯了错，你会得到同样的宽恕。
And in the unlikely case that you too should blunder in the future, you'll be deserving of the same mercy.
万一用户只想输入Ma，而不是Mass呢？
千万别放在桌子上——万一上面有食物残渣呢？
Definitely don't put it on the table — what if you have crumbs on it?
您还可以将受影响的行复制到备份表，以防万一！
And yes, you might also copy the affected row to a backup table just in case!
万一这段测试代码里面有几十上百个定位器怎么办？
What if there are tens or hundreds of locators in the test code?
为了以防万一，你买了以后，你还会回去看其他选择么？
After you've bought it, do you ever go back to look at the other options, just in case?
好吧，但也许你今天不应该出现场，以防万一，知道了吗？
Okay, but maybe you shouldn't go out into the field today just in case, y'know?
妈妈认为如果万一河水威胁到孩子们的安全，她将束手无策。
But my mother reasoned that if water came between her children and their safety, she would be helpless.
而万一收益率大幅上升，另一个选择则可能令纳税人感到不安。
The alternative, should yields rise sharply, could be discomforting for taxpayers.
万一失败的话，将返回失败报告，以便于在报告电子邮件中引用它。
In case of a failure, failing reports are returned so that they can be referenced in the report email.
去年，只有一小部分游客——大概三万一千人成功抵达了珠峰地区。
Only a fraction of tourists to Nepal make it to the Everest region – about 31,000 last year.
我们已经特意加固包装，以便使货物万一遭到的损坏减小到最低程度。
We have especially reinforced packing in order to minimize the extent of any possible damage to the goods.
万一软件或硬件发生故障，一个高可用性解决方案保证系统自动恢复。
A high availability solution guarantees that a system will automatically recover in the event of a software or hardware failure.
但万一事实的真相是天气并非罪魁祸首而是经济真的失去了推动力呢？
But what if it transpires that the weather was not the main culprit and the economy has lost momentum?
但万一事实的真相是天气并非罪魁祸首而是经济真的失去了推动力呢？
But what if it transpires that the weather was not the main culprit and the economy has lost momentum?
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