Because simultaneous interpretation requires intense concentration, every 30 minutes, the pair switches roles.

由于同步口译得聚精会神、燃烧脑力，每30分钟便会与搭挡对换角色。

But I... wouldn't trade places with you for anything. You wanna know why?

但我... 不会愿意跟你对换 想知道为什么吗?

But other Indians would gladly swap their problems with Gujarat's.

虽然如此，其它印度人还是想和人对换。

A-As Pastor Rob helped me realize, if I were in their shoes, I would have been judgmental myself.

就如罗伯牧师开导我，如果家立场对换，我或许也会在背后说三道四。

I looked around and found nobody else in the classroom then. I changed the chair with Ying-Ying's as quickly as possible.

我往四下看看，教室一个人也没有，我尽快把椅子与莹莹对换。

Our roles as child and guardian had now been reversed.

【reverse】我们身为孩子和监护人角色现在对换了。

Well, I can report to you, in general, that the Justices looked well rested and rather pleased at the look of the new Court.

“可以样说，总体而言，法官们都安然自若，似乎对换了一班人马法院没有什么不适。”

A paper by Nathan Deutscher, a Treasury official in Australia, found that higher rates of job-hopping in local Australian labour markets were associated with faster wage growth both for workers who switched jobs and for those who did not.

澳利亚财政部官员内森·多伊切尔一论发现，澳利亚当地劳动力市场跳槽率升高，无论是对换工人还是没有换工人来说，都与更快工资增长有关。

For transposition, it is also a knowledge point. If the positions of two elements in an even permutation are exchanged once, it will become an odd permutation. If exchanged again, it will be converted into an even permutation.

对换也是一个知识点，偶排列面某两个元素位置代换一次，就会变成奇排列。再对换一次，又会转换成偶排列。