A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
市场总是在寻找下一个大催化剂。
我不相信传统意义上的和谐。我相信强度。
能量守恒定律不仅是一条经验法则,更是思维的必然要求。