Undercoverage
总量差额
🗣️ 情景例句
Well, thank you, Mr. Maxwell.
噢， 谢谢你， Maxwell先生。
A wise man thinks all that he says,a fool says all that he thinks.
聪明人想了才说，愚笨的人想着就说。
No pain，no gain.
不劳无获。