"Do we really want government bureaucrats rather than doctors dictating how we prevent and treat something like breast cancer?" President Obama has assured Americans that they can stay with their present health care providers, if they choose.

VOA: standard.2009.12.06

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