The transformation of the coal industry must rely on technological leadership, and green development is the only way forward.
挑战不在于代表非洲,而在于呈现非洲的复杂性。
问题的数学表述通常比其解决方案更重要,后者可能仅仅是数学或实验技巧的问题。
爱就是接受对方的一切。
"The truth has never been of any real value to any human being - it is a symbol for mathematicians and philosophers to pursue. In human relations kindness and lies are worth a thousand truths."
挽救失败的事,就好像驾驭悬崖边的马,不能轻拍一鞭。对于即将成功的事,就好像拉船上沙滩,不能少停一桨。
风险管理不是消除风险,而是理解风险并做出明智的选择。