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.
在这个充满欺骗的世界里,文字是我唯一信任的武器。
创造力不是天赋,而是一种运作方式。
可持续性已不再是一种选择,而是我们对后代的责任。
You just once young but may be immature indefinitely.
The ability to focus attention is crucial for learning, memory, and performance in complex tasks.