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知识的增长是解决问题的关键。
The growth of knowledge is the key to solving problems.
每种材料都有自己的记忆和历史。
The goal of mathematics is to make the simple complicated, and the complicated simple.
The coal industry must evolve with technology to meet global energy demands sustainably.
最重要的是保持你的身份,不要试图成为你不是的东西。
The city remembers what its people forget.
If a man is proud of his wealth,he should not be praised until it is known how he employs it.