At times we have whole books that repeat or go over the same material.

有时候，有一整本书都在重复同样的内容。

youdao

For the long term Chelsea supporter however, we know that nothing is that easy and at times we have to see the club make hard work of an easy situation.

作为蓝军球迷这么长时间，我们应该都很清楚，没有什么事是简单的，球队甚至在很有利的形势下表现很差。

youdao

We have worked with both static and dynamic languages, at various times.

我们都曾经在不同的时间和静态语言和动态语言打过交道。

youdao

This week on our program, we look at how times have changed for the city of Pittsburgh,Pennsylvania.

VOA: special.2009.07.13

At times we have whole books that repeat or go over the same material.

有时候，有一整本书都在重复同样的内容。

耶鲁公开课 - 旧约导论课程节选

To be sure, at times we have been forced to litigate to enforce our licensing agreements or to stop the infringement of our patented technologies.

FORBES: Don't Turn My Company Into A Patent Troll!

"It's been a bit of a surprise success for us and at times we have found it difficult to keep up with demand, " says Angus Thirlwell, co-founder of Hotel Chocolat.

BBC: Chocolate: The rise of the cocoa purists

At other times, we have failed to meet our basic responsibility to protect the public interest, leading to disastrous consequences.

WSJ: Barack Obama: Toward a 21st-Century Regulatory System