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。
Literature is a weapon against forgetting.
阅读和解释遗传密码的能力彻底改变了我们对医学和遗传学的方法。
地球并非刚体,其对力的响应必须用适用于可变形介质的方法来处理。
盗贼是穷人最好的朋友。
Cities are a stage where life is played out.