Now you deliberately seek out difficult and complex challenges that you only dared to dream about in the past.
现在你刻意的去寻找困难而复杂的挑战，在过去你只敢去梦想它们。
But the field now challenges the idea that there is only a conscious will.
但仅有‘有意识的意志’这种想法正受到我们的研究领域的挑战。
In the course of our history, only a handful of generations have been asked to confront challenges as serious as the ones we face right now.
在我们的历史上，只有少数几代人被要求面对如考此前所未有的严重挑战。
Now, the personal online privacy security has become not only a problem that Internet users are more and more concerned about, but also one of the biggest challenges that e-commerce are facing.
个人在线隐私安全不仅成为互联网用户越来越关心的问题之一，也成为电子商务面临的最大挑战之一。
Now, the personal online privacy security has become not only a problem that Internet users are more and more concerned about, but also one of the biggest challenges that e-commerce are facing.
个人在线隐私安全不仅成为互联网用户越来越关心的问题之一，也成为电子商务面临的最大挑战之一。
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