—— 请按键盘 空白键 开始游戏 ——

是印度给了我们表达所有数字的巧妙方法,通过十个符号,每个符号既有位置值也有绝对值。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
If you’re not uncomfortable, you’re not growing.
"The only thing we can be sure of about the future is that it will be different."
荒野是一个充满挑战的地方。要生存,你必须直面它们。