Externalities
(externality 的复数) n. 外形, 外在性
🗣️ 情景例句
Susan, would you like the crab salad?
Susan，要不要蟹肉沙拉？
I have so much to do after I retire.
我在退休后有许多事要做。
Where do you work?
你在哪上班？