You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.
你脑袋里有大脑,鞋子里有双脚,你可以选择任何方向前进。
是印度给了我们表达所有数字的巧妙方法,每个符号都有一个位置值和一个绝对值。
勇敢地与众不同。
The most important part of teaching is to teach what it is to know.