有些东西看上去很不起眼,但有时候你又发现它不可或缺,比如螺丝。螺丝的工作原理很简单,如果我在这里再为螺丝的工作原理多费口舌,那只能说明我的智商有问题。不过.螺丝这种看似简单的东西,实际上却并不简单,也许你还没有真正了解螺丝的重要性,那么我告诉你,如 Something looks very humble, but sometimes you find it indispensable, such as screws. The working principle of the screw is very simple, if I here for the working principle of the screw and more talkative, it only shows that my IQ is a problem. However, screw this seemingly simple things, in fact, it is not simple, maybe you have not really understand the importance of screws, then I tell you, such as