Externality
n. 外形, 外在性
🗣️ 情景例句
Well, they didn't say anything for sure.
嗯， 他们没有任何确切的答覆。
Hello, is this the home of Mr. Chen?
喂，是陈先生的家吗？
Do they go to school in China?
他们在中国上学？