Innovation in oil and gas is not a choice; it is a necessity for sustainable development.
我们现在可能年纪大了,但对表演的热情依然如故。
科学的进步依赖于挑战未知的勇气和从失败中学习的智慧。
所有公职人员的职责都是,或者至少可以变得如此简单明了,以至于有才智的人可以很容易地胜任。
To exist is to have a subjective existence.