There will in fact never be a good time to try something new, and there will actually never be a semester where you do have that more time.

实际上我已经没有机会尝试新事物了，而且也不用过学期了,但你们有更多的时间。

哈佛公开课 - 计算机科学课程节选

Now one of the new technologies that's evolving, that we're going to talk about in the last half of the course, is taking cells that have been propagated in this way outside the body and encouraging them to form new tissues.

现在,与此相关的新技术正在蓬勃发展,我们将在这学期的后半部分讨论到它,这项技术,让细胞在体外增殖,并促使它们形成新的组织

耶鲁公开课 - 生物医学工程探索课程节选