Because in my family, reading was the primary group activity.

因为在我的家庭里，阅读是主要的家庭活动。

So Basberg's primary activity around whaling is research — but, as we heard, he has also eaten his share.

因此，巴斯伯格围绕捕鲸的主要活动是研究——但正如我们所知，他也吃掉了自己的份额。

This means that an employed mother today spends about the same amount of time on primary child care activities as a nonemployed mother did in 1975.

这就意味着今天的上班族母亲在孩子身上投入的时间和1975年的全职母亲一样多。