不知道

I don't know. I don't know who they could be.

我不知道，我不知道他们是谁。

Had not received obligee notice as to what the accused place puts forward the counterplea that reason should not assume liability to pay compensation, the court thinks, when the work tort that the person that in the network only the service is offerred does not know to also do not have equitable argument to ought to know to serve an object to offer, ability drag in refers written announcement to the network serves a provider and request its in order to achieve a warning to move to obligee the goal that eliminates relevant tort content.

至于被告所提出的未收到过权利人通知书故不应承担赔偿责任之抗辩，法院认为，只有在网络服务提供者不知道也没有合理理由应当知道服务对象提供的作品侵权时，才牵涉到权利人提交书面通知以达到警告网络服务提供商并请求其移除相关侵权内容的目的。

I don't know, but I do know that I don't want to be a coward.

我不知道，但是我知道我不想成为一个懦夫。

Coz I know you know what I don't know.

我知道你知道我不知道的

I've heard casual things from folks like Steven Jay Gould who says the "morphology of humans hasn't changed in the 25,000 years from Cro-Magnon," but I don't know what that means for this idea, and how true his assertion is.

我只是从一些人，如史蒂文·杰·古尔德口中偶然听到了一些。他说"从25，000年前的克鲁马努人以来，人类的形态就没有改变，"但是我不知道这个想法意味着什么，也不知道他的断言有多真实。

I don't know if I would come back or when I will come back, but I will remember this 2-year at Culver.

我不知道我是否会回来，我也不知道我什么时候会回来，但我永远会记着在Culver度过的这两年。

I don't know if Iwould come back or when I will come back, but I will remember this2-year at Culver.

我不知道我是否会回来，我也不知道我什么时候会回来，但我永远会记着在Culver度过的这两年。

I don't know," he says, voice curt."Either of them, really." He scowls and looks away."

我不知道，"他说，"他们两个都是，不知道去哪儿了，"他怒吼着，然后挪开了目光。"

Dan : I don't know. I don't know, and I wish I could.

我不知道。我不知道，希望我能解释。

Dan: I don't. I really, dad, I don't.

我不知道，真的，爸，我不知道。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。