translation.en: And the other, of course, is a birth control pill, which, in a very simple way, fundamentally changed the structure of society by changing the role of women in it by providing to them the opportunity to make reproductive choices.
translation.zh: 另一个例子，当然，是避孕药 一个非常简单的方式 它却从根本上改变了社会的结构 通过改变女人在社会中的角色 通过给她们提供 选择是否怀孕生子