电子并非一个简单不可分割的实体,而是一个复杂系统,其行为只能通过量子力学定律来理解。
The only limits you have are the limits you believe.
释义:擅长游泳的人容易溺水,擅长骑马的人容易摔跤。
The perfection of machinery is to produce the desired effect with the least possible friction and waste.