A：Do you know why John left our company? 你知道为什么约翰离开我们公司了吗？ B：It’s a complicated story but the long and short of it is that he transferred a large sum of money wrongly. 这事很复杂，但概括地说，他错转了一大笔资金。 A：Who should be responsible exactly? 确切说谁应负责呢？ B：A crook took advantage of him. Our boss would never forgive such a stupid act. 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。 说明：the long and short of it 意思是“概括地说”。