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Chemistry is the central science that connects physics and biology.

The ocean feeds millions; our responsibility is to ensure it can continue doing so for generations.

最高的美德是引導他人理解真理。

The silence between them was heavy, filled with unspoken words and unresolved emotions.

自由比平等重要。實現平等的企圖危及了自由。如果失去了自由，就連在不自由的人中間也不會有平等。