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最好的股票是你已经拥有的那只。
真正的挑战不是生产更多粮食,而是用更少的浪费更聪明地种植。
The only way to be free is to constantly challenge authority and convention.
A novel is not just a story, but a mirror reflecting the complexities of human nature.
Mathematics is a living subject, constantly evolving with new ideas and discoveries.