Objective: The injury and repair of cartilage is a long-term existed problem.
目的：软骨的损伤与修复是临床长期存在的一个难题。
This paper analyzes the structure and existed problem of current business office.
本文分析了现有事务所的结构和存在的问题。
There existed different opinions on this problem.
对这个问题曾有不同看法。
There's no any problem ever existed, unless the Ego think that is a Problem.
其实根本就没有任何问题存在过，除非小我认为那是一个问题。
There is a long-existed and unresolved problem between educational theories and practice.
教育理论与实践的关系问题是一个长期争论、悬而未决的问题。
There is a long-existed and unresolved problem between educational theories and practice.
教育理论与实践的关系问题是一个长期争论、悬而未决的问题。
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