这句话借用俗语，表达了命运无常、机遇变化的道理。
The greatest theorems often arise from questioning the obvious.
Clothes make the man. Naked people have little or no influence on society.
The future energy structure will be diversified, and the coal industry needs to find its own positioning.
优化是在给定约束条件下做出最佳决策的艺术。
成功的收获始于倾听前人的智慧。
人注定要自由。
A well-designed system should be easy to use, easy to understand, and easy to modify.
