我们希望借助对这些家庭的研究找出真正的因素。

We want to use these families to ferret out what these factors are.

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对这些家庭来说，让孩子们观看录像带或公共电视节目就相对容易了。

For these homes, it is relatively easy for the students to watch a videotape or a public broadcast television show.

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同时，研究人员也了解了在这些家庭周围有多少公共活动场地，以及客观地对这些家庭的孩子在除了学校之外的地方有多少时间是不进行户外活动的进行了测量。

The researchers also verified the local public open spaces and objectively measured how sedentary the children were outside school hours.

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Women bear children. Well, around that fact comes a whole set of rights and obligations and duties, primarily to the family that have to be primary.

女人要生孩子，好，围绕这个事实,衍生出一整套权利，责任和义务，这些主要是对家庭而言，家庭是首要目标。

普林斯顿公开课 - 人性课程节选