He indicated the administration intends to make an assessment by year's end as to whether a diplomatic resolution of the nuclear issue is possible.

VOA: standard.2009.09.11

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

Then, you make an arrow corresponding to B and lay it on the end of this one.

再画一个表示 B 的箭头,把 B 放在 A 的终点

耶鲁公开课 - 基础物理课程节选