Bbm
abbr. 工商管理学士（Bachelor of Business Management）；先开后合（Break-Before-Make）
🗣️ 情景例句
Bye.
再见。
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
Without it, nothing could ever be brought to a conclusion; everything would be in state of chaos.
不准时将一事无成，事事都会陷入混乱不堪的境地。