柴油发动机是当今已知效率最高的原动机。
世界在踌躇之心的琴弦上跑过去,奏出忧郁的乐声。
Every generation imagines itself to be more intelligent than the one that went before it, and wiser than the one that comes after it.
Efficiency in extraction is meaningless if we don't consider the long-term impact.
音乐可以跨越所有界限。
Without some goals and some efforts to reach them, no man can live. What we call life is a journey, and the journey itself is home.