And, if we know it for a certainty, how do we know it?

如果我们确实知道这些情况，我们又是如何得知的呢？

I know for a certainty that the company has been bought up.

我确实知道公司已经被人收购了。

I was obliged to admit that I did know it for a certainty, and I said to myself, 'Pip, what a fool you are!

可是我又不得不承认她一定会带给我不幸。我在心中暗暗责备自己：“皮普，你是多么愚蠢啊！”

A lack of certainty will cause confusion as to what a company is willing to accept in terms of, for example, counterparty risk or trading limits.

缺少确定性将导致对一个公司去接受何种风险，例如交易对手风险或是交易风险的问题发生混淆。

There was not a high probability of success for the summit. I called it because I believed that the collapse of the peace process would be a near certainty if I didn’t.

这次峰会取得成功的可能性并不大，我之所以还要召集这次会议是因为，如果我不这样做，和平进程失败不久就会成为定局。