Bff
abbr. 永远最好的朋友（Best Friend Forever）
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
He falls down the stairs.
他从楼梯摔了下来。
It's up to you.
由你决定。