just in case

基本解释

But supplements do offer an easy, just-in-case form of health insurance.
但是，补品的确很方便地为您的健康增加了一道保险。
Don’t over pack: Easier said than done, but it’s important to leave your just-in-case clothes home.
不要带太多的东西：说着容易做起来难啊。但是很重要的一点就是要把你认为万一会用的衣服留在家里。
The backpack is filled and, unsurprisingly for a woman my age, seems to contain rather too many just-in-case medications.
双肩背包已经装满了，对我这样年纪的女人，这并不奇怪，看起来包里装了太多预防万一的药品。

So, for example, we have this average level, and then it can go high where we have the peak, or it can go very low. We can also discuss sound waves, so again it's just the periodic variation of some property -- in this case we're talking about density, so we have high density areas and low density areas.
例如这是平均位置，在峰的位置水位高，在谷水位低，我们也可以,讨论声波它也是某种,量的周期变化，在这里我们,讨论的是密度,我们有高密度区和低密度区。
麻省理工公开课 - 化学原理课程节选
It configured the Mac or in this case, the Linux server to put it into my so-called path which just means I know where it is automatically.
在我的Mac机，或者是我们现在的这个Linux服务器上把它设置成,自动放到我知道的,路径下。
哈佛公开课 - 计算机科学课程节选
You can stack these things in C. So if you want to do if - and then rather -- let me tweak this just so simplify -- if you want to stack these things and do this in one case or that in the other, can you stack them like this?
你们才可以在C语言中使用这些东西，所以如果你想做,-让我把这个弄得更简单点-,如果你想把这些代码堆集在一起，在一个情况中,或在另一个情况中处理，你能够像这样把他们集在一起吗？
哈佛公开课 - 计算机科学课程节选

If your schedule is unpredictable, that may mean carrying a just-in-case snack in your purse or briefcase to stave off hunger.
FORBES: The Perfect Snack