定义就是限制。

Tell the cook of this restaurant with my compliments that these are the very worst sandwiches in the whole world, and that when I ask for a watercress sandwich I do not mean a loaf with a field in the middle of it.

I'm not a role model... Just 'cause I can dunk a basketball doesn't mean I should raise your kids.

——《北上宣言》，1924年11月

经济学中的性别差距不仅仅是数字问题；它是关于谁的故事被讲述的问题。