This is what rainy days are good for.

这就是天的妙处。

And guess who didn't save anything for a rainy day?

猜猜谁没有存钱以备需？

You should keep some money reserve for a rainy day.

你应储备一些钱以备需。

She gets sad on rainy days.

下天她会变得很难过。

You should save money for a rainy day.

你应存钱以备需。

For example, save it for a rainy day.

例如，留着以备需。

What happens when it's a rainy day?

如果是下天会怎么样?

Rob, do you use an umbrella on rainy days?

布，rainy days（天）你打伞吗？

The surface of the road in the rainy day is very slippery.

天路面很滑。

We put a little of each paycheck away for a rainy day.

我们会从每次的收入中抽取一部分攒起来，以备需。

Recent cloudy and rainy days helped lower water temperatures slightly.

近日多云有的天气略为降低了水温。

We don't want to exclude Bear from our rainy day activities.

可能把小熊排除在我们的天活动外。

'Twas a rainy day when I went to play down by the sea.

那是一个大瓢泼的日子，我去海边玩。

I dug into our rainy day fund and bought this beautiful used jukebox.

我查看了下我们的救济金然后给大家买了这台漂亮的二手点唱机。

But this Monday was a rainy day in the U.S. capital, Washington, D.C.

然而，今年的独立日美国首都华盛顿却迎来阴天气。

The vicinity of the apartment to his office was an advantage on rainy days.

这公寓离他的办公室很近，在天是一大优势。

When a rainy day came, the swan just sat still and let it rain.

即使在下天，雌天鹅也冒坐在那里一动动。

Essentially, that means people lost the patience to save money for a rainy day.

从本质上讲，这意味着人们失去了存钱以备需的耐心。

So we wanted people to keep a little bit of money for a rainy day.

所以我们想要让人们存下一点点钱备用。

Or save them in a box that we go and review on a rainy day.

或者把它们保存在一个盒子里，在下天去查看。