Corporal Rist should know. He is one of the thousands of U.S.military personnel that have been injured in the wars in Iraq and Afghanistan.

VOA: standard.2009.08.01

You should know that people have to live for 43 years pretty much one way as a blind person.

大家可以想象,不得不带着一只失明的眼睛生活了43年的人,几乎就是个盲人。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

We know, from the very first lesson of the class last time, that no one should choose these strategies.

从上堂课中,我们学到了,不要采用这类策略

耶鲁公开课 - 博弈论课程节选

The one thing that you should understand is that, you know, you can say there's music before Ornette Coleman and there's music after Ornette Coleman.

NPR: Ornette Coleman's Challenging Sound

All Americans should know that one act of kindness extended to a family of a soldier, a sailor, or a Marine, a Coast Guardsman, reverberates across water, over the mountains, and through the deserts, into the heart of the warrior who is standing there alone, thinking as much about his family as his family is thinking about him or her.

WHITEHOUSE: Joining Forces to Support Military Families

That's not to say you should teach her to pursue victory at all costs, but she should know that only one team can win, and it's OK to want it to be hers.

CNN: Meet the new girl: Parenting a gender-neutral generation