我不是在追求完美，我只是在努力变得更好。
国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
The dairy industry must evolve to meet the needs of both people and the planet.
The detective story is the normal recreation of noble minds.
The true measure of a mining company's success is how it balances profit with environmental responsibility.
政治理论的研究不应局限于西方；我们需要探索非西方传统中丰富的政治思想。