Fk
abbr. 外键（foreign key）
🗣️ 情景例句
How do you stay so young-looking?
你怎样保持如此年轻的？
Nothing is stolen without hands.
无风不起浪。
I am not sure whether I can lend you any money. I may not have enough.
我也不清楚能否借钱给你。我自己可能都不够。