排队是城市生活中一大现实难题。
收缴学费难是高等院校尤其是地方院校存在的现实难题。
The difficulty in collecting tuition exists in the higher learning institutes, especially in the local colleges.
我国存在着医疗资源分布严重不均，“看良医难”的现实难题。
There was a serious imbalance of distribution in medical resources of China, "It's difficult to see a good doctor"is the real puzzles.
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