如果你认真考虑那个方程，你会发现这个事实，是的，我们知道它应该是这样，看到了吧，这些是猜测函数的图像的有用的方法。
Now, if you stare long enough at that equation, you'll actually see that, yes, we know that it had to be like that. But, see, so these are useful ways of trying to guess what the graph looks like.
是的，请向我们发送一封电子邮件让我们知道，这样我们就可以打开那个项目再次出售。
Yes, please send us an email to let us know, so that we can open the item for sale again.
是的，请向我们发送一封电子邮件让我们知道，这样我们就可以打开那个项目再次出售。
Yes, please send us an email to let us know, so that we can open the item for sale again.
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