By the time Bush asked me to be his WHCF in early 2006, I had already long experience working for the president.

当布什让我做办公室主任时,也就是2006年初，我已经有很长的时间,和他一起工作了。

普林斯顿公开课 - 国际座谈会课程节选

And yeah, it takes a long time to get good at it. A lot of fitness, too. A lot of working out.

要想划得熟练需要时间。体能也要好。再加上大量的锻炼。

MIT赛艇选手 - SpeakingMax英语口语达人

Because this is something we've been working for very long time.

因为这是我们努力很久的目标。

哈佛公开课 - 幸福课课程节选