The key to understanding life is to understand the interactions between its components.
理解生命的关键在于理解其组成部分之间的相互作用。
Collaboration across industries is key to solving the world's energy challenges.
我唯一能做的就是画画，而这对我来说已经足够。
我不喜欢做简单的事，我喜欢挑战自己。