Deadheading
(deadhead 的现在分词) n. 免费乘客, 免费入场者
🗣️ 情景例句
I always neglect my health.
我老是忽视我的健康。
What is sauce for the goose is sauce for the gander.
适用于甲的，也适用于乙。
That's easier said than done!
说来容易做起来难哪！