But now birds are returning to the island.

VOA: special.2009.10.06

PROFESSOR: And so in this case, it's using the same piece, but it's returning that middle value that says they're actually the same.

教授：那么实际在这个例子中，我们用的是同一个函数，它返回了中间的值也就是,0来表明着两个参数。

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't think they were having very good success, but they did notice something interesting which is that the rat kept returning to the corner of the cage in which it was stimulated the day before So Olds got an interesting idea, he said, what if we let the rats stimulate in its own brain, what would happen.

他们的试验并不是非常成功，但他们确实是注意到了一些有趣的事情,老鼠总是会回到,昨天接受刺激的那个箱子的角落,因此奥兹产生了一个有趣的想法，他想，如果我们让老鼠在自己的脑中对自己进行刺激会，发生什么事情。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

But,other countries have not. Critics of Mr.Obama's plan say not returning to the Moon could jeopardize America's leadership in space exploration.

VOA: standard.2010.04.21

Opposition parties had accused his family of amassing wealth illegally, but that did not prevent voters from returning him to power this year.

VOA: standard.2009.09.03