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可持续性不是一种趋势,而是食品生产的未来。
学校必须是一个让孩子学会尊重权威并接受纪律的地方,这些纪律对于发展他自身的能力是必要的。
The future of energy lies in finding the balance between traditional resources and renewable alternatives.
When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.