做些小事情。
As we said, Newtonian mechanics does work in most cases, it does work when we're discussing things that we can see, it does work even on things that are too small to measure.
在大部分情况下都适用，对我们可以看到的东西，它都能适用，甚至对一些小到，无法测量的东西它也可以适用。
As we said, Newtonian mechanics does work in most cases, it does work when we're discussing things that we can see, it does work even on things that are too small to measure.
在大部分情况下都适用，对我们可以看到的东西，它都能适用，甚至对一些小到，无法测量的东西它也可以适用。
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