In addition, the newer suggestions say any exercise plan should include at least two days of muscle training.

VOA: special.2010.06.08

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选

And I say, no, I think any of you should know that potassium lies under sodium.

我要说的是，你们应该知道,钾是在钠的下面的。

麻省理工公开课 - 固态化学导论课程节选

After 50 years of silence, I think the time has come to take stock and say, maybe we should mobilize all of the sciences to look for anything fishy, anything weird,any anomaly, both in our own little corner of the universe here on Earth and in the solar system, and far out across the galaxy."

VOA: standard.2010.04.16