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轧棉机的发明是需求和观察的结果。
The invention of the cotton gin was the result of necessity and observation.
音乐是一种不关乎世界的知识形式,它本身就是一个世界,有自己的规则和真理。
Innovation in aquaculture can feed the world without depleting our seas.
解释:观察与他交游的人,就知道他的品行好坏。
Agricultural innovation must address both quantity and quality.
The more you know about life, the more you can bring to your work.