Collaboration across industries is key to solving the energy challenges of tomorrow.
Existence is a risk, but non-existence is also a risk.
成功最棒的部分是知道你的努力没有白费。
The concept of law involves the union of primary and secondary rules.
历史上的重大战争——我们在我们这个时代已经看到了这一点——是国家不平等发展的直接或间接结果。