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The most valuable asset in any company isn't its machinery—it's the people who operate it.
I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.
小规模农民是全球水产养殖的支柱,他们值得我们的支持。
鲜艳的花朵不可能在离开花枝之后,还能长久鲜艳;足以吞下船只的大鱼也不可能在离开水源之后,还能活命。