The long and the short of it, the biscuit has a history long before Britain with biscotti.

长话短说，biscuit 饼干的历史比英国的意大利式脆饼要早得多。

That's the long and the short of it.

你知道持有类管控药物。

The long and the short of it is that we missed the train.

【long】长话短说吧，我们没有赶上火车。

So here's the long and the short of it.

那我来说事情的重点。

" The long and the short of it" is a phrase we use to give someone the most important point about a difficult or complex situation.

是我们用来给某人关于困难或复杂情况的最重要观点的短语。

However, the long and the short of it is, that he has asked my permission to make you an offer of marriage — of marriage, you know, " said Mr. Brooke, with his explanatory nod. "

然而，总而言之，他已经征得我的同意向你求婚——求婚， 你知道的，” 布鲁克先生解释性地点点头说。