Ysp
abbr. years service for severance pay purposes （離職）退役金的規定年限（美軍）
??? 情景例句
we're not sure
我們還不能肯定
I'll work for 5 years and then go back to school.
我會工作五年，然后會學校。
Do they go to school in China?
他們在中國上學？