I'm not afraid to speak my mind.
我不害怕说出我的想法。
Leadership is about making the tough decisions when they need to be made.
The past is not dead. It is not even past.
每一个发现都为成千上万的新问题打开了大门。
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.