计算复杂性的研究不仅仅是关于解决问题，还在于理解可计算性的极限。
The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.
海洋保护区不仅仅是避难所，更是对我们未来的投资。
战争最可怕的地方在于它让人们习惯了死亡。
Collaboration across industries is key to solving the complex challenges of marine conservation.
"The truth is often hidden in the details."
中心地的等级越高，其数量越少，影响范围越大。