the long and short of it 概括地说
A：Do you know why John left our company?
B：It’s a complicated story but the long and short of it is that
he transferred a large sum of money wrongly.
A：Who should be responsible exactly?
B：A crook took advantage of him. Our boss would never forgive such a stupid act.
甲：你知道为什么约翰离开我们公司了吗？
乙：这事很复杂，但概括地说，他错转了一大笔资金。
甲：确切说谁应负责呢？
乙：一个骗子骗了他。我们的老板永远也不会原谅这样愚蠢的行为。