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煤炭企业在追求经济效益的同时必须履行社会责任。
理论计算机科学是一个领域,其中深刻的数学见解导致了实用的计算工具。
I don't like to lose money, so I try to buy stocks that are cheap.
The original intention of agriculture is to serve the people. We must win trust with quality and win the market with integrity.
Short-term gains should never compromise long-term sustainability.