To live is to choose, and to choose is to renounce.

美是一种终极价值——我们因其本身而追求它，无需进一步的理由。

We must balance energy supply with environmental protection.

We must balance short-term energy needs with long-term environmental goals.

The concept of entanglement in quantum mechanics is not just a theoretical curiosity; it has profound implications for our understanding of information and causality.

可持续发展需要在创新和风险控制之间找到平衡。