Because some people think that the $100 laptop just happened a year ago, or two years ago, or we were struck by lightning -- this actually has gone back a long time, and in fact, back to the '60s.
有人可能以为100美元电脑只是一年前开始的， 或是2年前开始的，或是我们突发奇想开始做的。 其实这件事已经做了很长时间，实际上可以上溯到1960年代。