The president says experts are not sure whether swine flu will be more severe than more common seasonal flus.

VOA: standard.2009.05.01

I'm not at all sure there's anything more to be said about that passage, which I think lays it to rest.

我不确定这篇文章是不是,还要更多的讲解，就这样的吧。

耶鲁公开课 - 文学理论导论课程节选

He's more likely to be someone who plays by the rules, avoids dangers, and bets on the sure thing.

他们只会循规守据,只做自己有把握的事情，绝不做任何有风险的事。

耶鲁公开课 - 政治哲学导论课程节选

"Coming in mid-session will be more difficult than having started January 6th,I am sure.

VOA: standard.2009.06.30

So it`s sort of a key issue for children and for adults actually to make sure that When we use a software that has more than one language it has to be completely in each language.

所以无论对成人还是儿童来说,这都是关键问题,当我们使用一款宣称拥有多语种的软件时,必须确保它的每一种语言都是完整的。

麻省理工公开课 - 媒体、教育、市场课程节选

But the fact is that I'm sure there are a few people - - thay may be more than a few in the facility - who do feel that rock and roll is not exactly what one says fit and proper.

不过事实上，我相信,在学校里确实有许多人-,认为摇滚和艺术,并不完全相称。

普林斯顿公开课 - 人性课程节选

And to make this more concrete, if a firm is competing against a competitor it can be pretty sure, that competitor is a pretty sophisticated game player and knows that the firm is itself.

再具体点说,如果一家公司在和它的竞争对手竞争,可以肯定其竞争对手一定很老练,这家公司当然也很老练啦

耶鲁公开课 - 博弈论课程节选