如今人们对每样东西的价格了如指掌,对它们的价值却一无所知。
Nowadays people know the price of everything and the value of nothing.
Let us be grateful to people who make us happy, they are the charming gardeners who make our souls blossom.
自守表示的研究是数学知识统一性的反映。
The companies that will thrive are those that see environmental regulations as opportunities, not obstacles.
寻找互反律是数学史上的一个基本主题。
Art should not be just a luxury object.