What did Colin say when you told him I couldn't come?
你告诉科林我不能来的时候,他说了什么?
What would you say if I told you I couldn't go with you?
如果我告诉你我不能和你一起走,你会说什么?
One way to answer that question is to look at what things were like before computers were widespread: in, say, 1950. There were a lot of things you couldn't do then you can do now.
回答这个问题的一个方法是看一看计算机广为流传前的情况:在比如1950年,有太多你现在能做的事情当时无法做。
But you agree that there is no reason why somebody else couldn't come along and say, "You know what, I want to use a different set of axes.
但是你们得认识到,没有人会站出来说,"我想要用一套不同的坐标系
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