But the first key issue is that it's good in and of itself-- almost needs no justification.

但首先的关键问题是快乐本身是好的-,几乎无需辩解。

哈佛公开课 - 幸福课课程节选

So it`s sort of a key issue for children and for adults actually to make sure that When we use a software that has more than one language it has to be completely in each language.

所以无论对成人还是儿童来说,这都是关键问题,当我们使用一款宣称拥有多语种的软件时,必须确保它的每一种语言都是完整的。

麻省理工公开课 - 媒体、教育、市场课程节选