Theretofore
adv. 在那以前, 到那时为止
🗣️ 情景例句
Well, I'd describe it as a book which is a ...
嗯， 我会把这本书形容一幅……
Do as the Romans do.
入境要问俗。
Good. thank you for the order.
好的，谢谢你的订货。