Externalities
(externality 的复数) n. 外形, 外在性
🗣️ 情景例句
We can have a birthday party for you, Carl,
我们可以给你举行生日派对 Carl。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
On Sundays, hundreds of people come from the city to see our town and to walk through the woods.
每适星期天，有许许多人从城里来观赏我们的小镇，并在树林中散步。