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The food system must evolve to meet the needs of a growing population.
沉默从来不是空的;它充满了可能性。
女性的身体在历史上一直是一个战场。
勇气是人类最重要的一种特质,倘若有了勇气,人类其他的特质自然也就具备了。
The more you are in a state of gratitude, the more you will attract things to be grateful for.
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.