The challenge of unifying all forces of nature is one that has driven theoretical physics for over a century.
统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。
企业文化是由领导者的行动而非言辞定义的。
The most exciting, challenging and significant relationship of all is the one you have with yourself.
每个人都是创造者。