It's been in fact probably for the last 3 years or so.

已经开展了三年了。

普林斯顿公开课 - 人性课程节选

And what has happened in the last 2 or 3 years is that more foreign investment has started coming in.

在最近两三年,印度迎来了,更多的外资。

普林斯顿公开课 - 国际座谈会课程节选

You can take everything from the last ten years of 3.091 and make it microdots.

你还能包含3。091最近十年的内容,然后把他做成微点。

麻省理工公开课 - 固态化学导论课程节选