Japan,Germany and China are key producers of the photovoltaic panels used to capture sunlight and pass it onto the electrical grid.

VOA: standard.2009.10.27

Right now it's got that second key word there called pass, which is just Python's way of saying there's an empty body in here.

现在我在完善它的一个简单部分,但是首先，类是用来干什么的呢？,把类认为是可以创建一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

But again, the key takeaway there was how many numbers did I touch on that pass?

同样，在这个过程中,我一共移动了几个数字？

哈佛公开课 - 计算机科学课程节选

But it will make it more difficult for them to pass key legislation.

NPR: Japan's Prime Minister Resigns Over U.S. Base

It is now becoming increasingly clear that the Lokpal bill would not have passed muster in the upper house as the Congress party did not have the number of votes needed to pass the key bill.

BBC: A subversion of Indian democracy?

However, in his evaluation of the trials, Brigadier Monro was said to have complained that the women had only been able to pass because key tasks had been made easier or dropped, according to a leak of the report in the Daily Telegraph.

BBC: Row over frontline women troops