Some say this state of affairs just can't last.

有些人说这种事态不会持续多久。

《柯林斯英汉双解大词典》

He wouldn't say this if it weren't the gospel truth.

如果这不是绝对真理，他就不会这么说。

《柯林斯英汉双解大词典》

I'll say this for them , they're a very efficient company.

我要为他们说句公道话，他们公司的效率的确很高。

《牛津词典》

Some economists say this second round of what is known as quantitative easing, or "QE2," has not been effective.

VOA: special.2011.04.29

And on this side, we're going to write out an engine, and we're going to say this is a Carnot engine.

在这边，我们画出一个热机，是卡诺热机。

麻省理工公开课 - 热力学与动力学课程节选

I know this doesn't happen very often. But let's just say this happened.

我明白这种情况并不常见，但我们假设它确实发生了。

I'd better 课堂 - SpeakingMax英语口语达人

Correspondents say this is the International Atomic Energy Agency's toughest report on Iran to date.

BBC: UN nuclear agency IAEA: Iran 'studying nuclear weapons'

But many experts say this time the two sides will do more than get to know each other.

NPR: Hamas Leaders Meet with Russian Government

Some would say this is absolutely positive medicine but question NHS funding of such cases.

BBC: Paying for a sibling to save Mark