Backjoint
n. 石阶踏步背榫; 留槽待填
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
A thousand words will not leave so deep an impression as one deed.
千言万语不如一个行动。
What are your discount terms?
折扣的条件是什么？