"We can feel hopeful that whatever was going to happen, which we don't know what it was, that we can rest assured that at least these young people hopefully will be back in the United States."

VOA: standard.2009.12.11

Those of you more comfortable, rest assured we'll start filling in some gaps before long if you're already familiar with this.

那些程度比较好的同学，我们马上来讲一下以前遗漏的问题,如果你们已经熟悉这门课，那会觉得那容易接受。

哈佛公开课 - 计算机科学课程节选