Reforming the economy here closely follows Newton`s first law of motion, inertia.

这里的经济改革紧跟牛顿第一定律，惯性定律。

According to Newton's first law of motion, an object will move in the same direction and velocity, until a force is applied on it.

根据牛顿的第一定律，一个物体会以同样的方向和矢量移动，除非一个力被施加。