农业的未来在于平衡生产力与环境责任。
Products should be like water, adapting to the needs of different users.
文学是社会的镜子，清晰地反映出其美德和恶习。
It's often safer to be in chains than to be free.
欧佩克不再掌控全球石油市场的所有牌。
The best biographies are those that make the reader feel they have met the subject in person.