All right, but still it's a red light, right, and our hypothesis is that the red light has positive value in the sense that it means a certain thing. It means, we say, "stop."
它是一个红灯,我们假设红灯主动自带含义,它代表着,停“
We tend to think of doing things in a certain way-- everyone else is doing it-- and we assume that that's the smart way to do things.
我们总是习惯按某种方式去做事-,别人也是这么做的-,而我们还自以为这是明智之举。
What it means is if you'd release a rock at that location one second before with a certain speed that we can calculate, it would've ended up here with precisely the position and velocity it had at the beginning of our experiment.
它的意义在于,若在该处以特定速度抛出一个物体,这个速度可通过计算得到,一秒之后,物体会运动至我们设定的起点,并且速度为我们设定的初速度
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