Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.
数学推理可以相当系统地看作是对两种能力的结合运用,我们可以称之为直觉和独创性。
可持续性不再是一个选项;它是一个商业必须。
The beauty of a woman with passing years only grows!
游览过五岳之后,其他的山就没什么可看的了;而游览过黄山之后,连五岳也没什么可看的了
"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized."