The novel is a mirror that reflects the complexities of human nature and society.
The value chain is the set of activities through which a product or service is created and delivered to customers.
科学是一个永无止境的旅程，总有更多的东西需要学习和发现。
To overcome the anxieties and depressions of contemporary life, individuals must become independent of the social environment to the degree that they no longer respond exclusively in terms of its rewards and punishments.
The world is full of beauty, but it is also full of pain and suffering.