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可持续性不再是可选项;它是农业未来的必需品。
Sustainability is not an option anymore; it's a necessity for the future of agriculture.
The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.
预测未来的最好方法就是创造未来。
Psychology must be purely experimental and analytical.