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工商业和农业一样都是国家的根本
My fans are my motivation to keep going.
The discovery of DNA structure was like unraveling a very complex puzzle.
NP中的每个问题都可以归约为可满足性问题,这是计算复杂性理论的基石。
You are never too old to set another goal or to dream a new dream.
进步不仅仅是向前迈进,而是一起向前迈进。