Un libro es una ventana a otras vidas y otros mundos.
Disobedience, in the eyes of any one who has read history, is man's original virtue. It is through disobedience that progress has been made, through disobedience and through rebellion.
诗人可以拯救一切除了印刷错误。
柴油发动机是当今已知效率最高的原动机。
技术领先是石油化工企业的立身之本,要持续加大研发投入。