Leadership means making tough decisions today that will benefit everyone tomorrow.
领导力意味着今天做出艰难的决定，明天让所有人受益。
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe， it could travel for millions of years and would always return to its starting point， it would never be conscious of what was above it or beneath it.
The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.