a margin of edema的用法和样例：
- Conclusion: Glass alum treatment of hemorrhoid lotion Hip Bath after a margin of edema is effective, worthy of promotion.
- She win the seat by a margin of ten votes.
- He beat the other runners by a margin of ten seconds.
- We have a margin of 5 minutes to catch the train.
- Having an edge or a margin of a different color.
- She won the seat by a margin of ten votes.