The concept of legal obligation is central to the understanding of law.
法律义务的概念对于理解法律至关重要。
我不随波逐流,我引领潮流。
The beauty of science is that it allows us to explore the unknown and uncover the mysteries of life.
理性预期假说并不意味着人们能完美预测未来;它意味着人们不会犯系统性错误。