Nevertheless I think such a kind of society needs this sort of business to set economics in motion.
尽管如此,我认为这样的社会需要这种业务来推动经济学的发展。
Mary made a slight motion with her head.
玛丽用头做了轻微的动作。
Behind thermodynamics lie the movements of atoms and molecules following the laws of motion learned in the first volume.
热力学背后是原子和分子遵循第一卷中学到的运动定律的运动。
Passengers shall not converse with the driver while the bus is in motion.
公交车行驶期间,乘客不得与驾驶员交谈。