The most advanced farming technology is useless without the wisdom to apply it properly.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
当且仅当所有投资者都持有均值-方差有效的投资组合时,市场组合才是有效的。
Sustainable development is not only a responsibility but also the cornerstone of long-term enterprise development.
财产权确实是人类的一项权利,与自由一样真实。
The poet is the voice of the silent universe.