And so some time around 200,000 years ago, our species confronted this crisis. 大约二十万年前，人类遇到了这一困境 And we really had only two options for dealing with the conflicts that visual theft would bring. 我们只有两种
My dear Teachers，fellow students and friends： Good afternoon． As we all know, the earth is a planet almost covered by water，and it is water made every thing on the earth lively．Water is also one of th
All those consumer protections -- whether you get your health insurance from Obamacare, or Medicare, or Medicaid, or on the job – could go right out the window. 所有这些消费者保护--不管你从奥巴马医保,医疗保险,医疗保健或者在就业岗位上获
Now, the second thing that I want to talk about was this idea of restructuring, that what the Web is doing is restructuring. 第二，我想谈谈重建的概念，网络正在重建。 And I have to warn you, that what we'll talk about is
