Fbk
abbr. fast buck 投机所赚的钱，轻易得来的钱; flat back (lumber) 平板龙骨
🗣️ 情景例句
You've lost your family.
你无家可归了。
It's a once in a lifetime chance.
这是一生难得的机会。
When was the house built?
这幢房子是什么时候建造的？