In our business, you got to be inventing new things because software doesn't wear out, it doesn't break, or at least if it breaks it was broken when you finished it, it doesn't break over time the way physical goods do.

在我们行业，你需要不断发明新事物,因为软件并不会磨损，不会坏，或者至少如果坏了,也是在你运行完之后，它并不像物理上的东西会随着时间磨损。

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Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

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And now I guess later the way we think about the extension over space.

在晚一点的时间,还会考虑在空间上延展。

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