No one can be sure how 2009 flu will evolve, but it's certainly not going away.

没有人能够确定2009年的流感将如何演变，但可以肯定的是，其并未走远。

youdao

And to a certain extent I am sure this is true - certainly more true than, say, designing another clothing collection, the last century's big solution to a designer's cash flow problems.

从某种程度上讲，我相信这是事实——当然与设计另一个服装系列不同，而设计一个服装系列是上世纪解决设计师现金流问题的最重要方法。

youdao

That is, of course it takes many, many years for a woman to cultivate a smile that one suspects is there, but one can't be sure of, and which certainly disappears when scrutinised head on.

那就是，当然，蒙娜丽莎这部作品要达到我们怀疑有“笑”的效果（但没人敢确定是不是真的是笑）要很多很多年，，当近距离直视这部作品的时候又看不出她的笑容。

youdao

Cervantes is preoccupied with a figure who is crazy we're pretty sure of that, but he certainly isn't.

塞万提斯专注于一个疯了的人物,这一点我们很确定，但是他并不这么认为。

耶鲁公开课 - 文学理论导论课程节选

And so that is something that we will engage them on I'm sure certainly privately and in some form publicly.

WHITEHOUSE: The White House

They put the lives of the women before their own, an old fashioned notion to be sure, but certainly an honorable one (if you have any doubt, ask the survivors).

CNN: Aurora heroes: Three who gave their lives

We will certainly make sure none of the guys are that naive again.

BBC: Ball-tampering row angers Strauss despite draw