量子密码学不依赖于数学问题的难度，而是依赖于物理学的基本定律。
Innovation in mining technology is essential to meet the world's energy demands.
中心地的空间分布遵循基于经济原则的系统模式。
"Sometimes the hardest part of writing is just starting."
"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
