盈利能力和可持续性不是对立的,它们是一枚硬币的两面。
没有什么比寒冷更灼人。
贫穷不仅仅是缺钱,更是缺乏希望。
在信息不对称的情况下,市场并不高效。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The future of energy lies in the integration of traditional fossil fuels and renewable energy sources.