What I'm going to do is I want to draw the two functions we just found and see what they look like.
下面我们绘制两个函数图像,看看图像是什么样的
And to get a bit further, let's draw a picture.
我们进一步绘制图像吧
Excuse me. So what I'm going to do is, let's draw a picture that has S1 on the horizontal axis and S2 on the vertical axis.
好了,我们接下来来绘制图像,S1是横轴,S2是纵轴
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