His interest here is in the creation of a tight, and highly disciplined cadre of young warriors who will protect the city much as watchdogs protect their own home.

他的兴趣,明显是创造一个紧密，且高度自制的,年轻战士骨架,他们将保卫城市,就像看门狗顾家一样。

耶鲁公开课 - 政治哲学导论课程节选

You would buy life insurance on both the husband and the wife -you might do different amounts; it's done by families with young children to protect them against the economic cost of the death of one of their parents.

夫妻双方都应该购买寿险,但两份保险的金额可以有所不同,这适用于有小孩子的家庭以弥补,因父亲或母亲去世而带来的经济损失

耶鲁公开课 - 金融市场课程节选