A Problem About Compton Effect的用法和样例：
- Mathematics essence is a problem about epistemology.
- In this paper the problem in colored uniform hypergraphs has been extended to a problem about "covering" the subsets.
- The socialist market economy opens a problem about the relationship between efficiency and fairness.
- Entering WTO, with what chance and challenge China" s pesticide industry will face is a problem about which we are all concerned.