The Public Works of Art Program was the first national effort by the United States government to support artists.

VOA: special.2009.03.23

But we will also introduce towards the end of this semester in an effort to really make it okay to stay up all night, will be the first ever CS50 hack-a-thon.

但是，在这个学期末的时候,我们还会举办第一届CS50课程的Hackathon活动，你们可能还得熬夜才能完成它。

哈佛公开课 - 计算机科学课程节选

The hard work of this grassroots effort resulted in the first Earth Day on April twenty-second, nineteen seventy.

VOA: special.2010.04.21

Kites was the first big-budget effort by the Hindi film industry to make a movie which would appeal to mainstream audiences in India and in Western countries.

VOA: standard.2010.07.22

Britain's new cabinet agreed to cut the pay of all ministers by five percent, the first step in what is to be a major effort to cut Britain's national deficit.

VOA: standard.2010.05.13