be down

基本解释

The price of food should be down next month.
食品价格下月会下跌。
Most of these sources come from third party applications that we have no control over and it is common for one or more of them to be down, or to have data related problems.
大多数这些数据源来自第三方应用程序，我们通常无法掌控这些应用程序，并且它们其中的一个或多个经常会停止运行，或者出现与数据有关的问题。
Since then that share has fallen to just over half. In another decade it could be down to 40%.
从那时起，这一份额已下降到刚超过一半，而十年内还可能继续降至40%。

"It's a start." "I'm just really excited. I had to be down here today."
First, it's pointing to the beginning of the list, which initially might be down here at but after a while, might be part way through. And to that, I simply add a halfway point, and then I check.
列表中间的一个部分了，然后我求出列表的中值点,然后看看该点的值是不是等于目标值，如果是的话就完成了，如果不是的话，如果中位值大于我要找的目标值。
麻省理工公开课 - 计算机科学及编程导论课程节选
If you look at this in graphical format, I mean, it's actually pretty remarkable just how many of us will be down there.
如果从绘画的角度来看，我的意思是，对于标示，我们中有多少人会到那里去,是很棒的。
哈佛公开课 - 计算机科学课程节选

Their money wouldn't be down the pan: they owe only for value that they have had.
ECONOMIST: PFI