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我们养殖的每个物种都教会我们关于海洋生态系统的新知识。
解析:心之本体即是性,性即是理,性元不动。
对冲低油价的最佳方法是降低盈亏平衡成本。
You have to fight to reach your dream. You have to sacrifice and work hard for it.
The most difficult thing is the decision to act, the rest is merely tenacity.
机会总是留给有准备的人。