大陆漂移理论不仅仅是一个假设,而是一种物理必然。
The most successful businesses are those that put people first.
大萧条是20世纪历史上的一个决定性时刻,理解其原因和后果仍然是经济学家的一项重要任务。
The energy sector is evolving, and so must we—adaptation is key to survival.
The only thing necessary for the triumph of evil is for good men to do nothing.