But while it admittedly seems to us that time moves along, it's just not clear how it does so.

诚然，时间在我们看来是一直流逝的，但是我们就是不清楚它是怎样流逝的。

youdao

Soy may be good for the heart, but if you're trying to keep the ticker healthy and happen to be a breast cancer patient as well, then it's not so clear how beneficial soy products may be for you.

大豆也许会对心脏有好处，但是如果你想保持心脏健康的同时又凑巧是一个乳腺癌患者，那么大豆制品会对你带来多大帮助就不是那么确定了。

youdao

The official standards mostly follow the XML structure of the earlier versions but use different namespaces so that it's clear which set of rules apply to a particular document.

虽然大多数官方标准都兼容早期版本的XML结构，但是会使用不同的名称空间，所以某个特定文档应该应用哪些规则集是很明显的。

youdao

Well you can read the story, it's in Numbers 20, the incident is described there. But the answer is still not entirely clear, it's not clear what Moses did that was so bad as to deserve this punishment.

你们可以阅读这个故事，在民数记20，讲述了这个事件,然而答案却仍然不是完全清楚的，摩西究竟做了什么,坏事才遭受这样的惩罚，还不完全清楚。

耶鲁公开课 - 旧约导论课程节选

You can see that as you fill up your periodic table, it's very clear. But also we'll tell you a pneumonic device to keep that in mind, so you always remember and get the orbital energy straight.

在你们填周期表的时候，非常清楚但是我们也要告诉你们,一个策略去记住它，所以你们总是记得,并得到连续的轨道能量。

麻省理工公开课 - 化学原理课程节选

You might think the answer to that is no if we are physicalists but in fact it's not so clear the answer is no.

如果我们是物理主义者你可能认为,人不可能肉体不死,但其实答案没有那么明确。

耶鲁公开课 - 死亡课程节选

Mr. Taleb presents a range of answers -- be prepared for various outcomes, he says, and don't rush for buses -- but it's clear that he remains slightly vexed by the world he describes so vividly.

WSJ: Shattering the Bell Curve

"It's nice to be mentioned but I've made it clear to the people who have contacted me that I have a contract so it's a non-starter, " said Hodgson.

BBC: Hodgson rejects Sweden and Norway

But it's clear the compromising attitude from the White House will extend only so far.

CNN: For Obama: OK, what now?