We know the battle ahead will be long, but always remember that no matter what obstacles stand in our way, nothing can stand in the way of the power of millions of voices calling for change.
我们知道斗争的前路漫长，但是不管任何阻隔，都不能阻挡亿万人要求改变的力量。
As a matter of fact, I know nothing about the matter.
事实上，我对此事一无所知。
As a matter of fact, I know nothing about the constructions of the information products.
其实我对这些信息产品的构造一无所知。
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