Jec
abbr. Joint Economic Committee （美国国会）联合经济委员会
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
I hope I'll get a big pay raise.
但愿薪水大大提高一下。
You must always return your library book on time!
你必须按时归还图书馆的书！