But seeing Earth from space may soon become a reality for wealthy people who dream of space travel.

VOA: special.2009.12.18

Okay, this one, I believe that there is not a debt to society in the sense that how did these people become wealthy?

好的，对这个问题，我认为从他们变富的方式来看,他们并不欠社会的？

耶鲁公开课 - 公正课程节选

Okay, this one, I believe that there is not a debt to society in the sense that how did these people become wealthy?

好的，对这个问题，我认为从他们变富的方式来看,他们并不欠社会的？

耶鲁公开课 - 公正课程节选