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。

youdao

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。

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For the present existed problem, it should bring into aftertime research and development plan.

对于目前仍然存在的问题，应纳入今后的研究和开发计划。

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He was investigating a problem that had existed in the Navy for many years.

VOA: special.2009.04.21

The team took a calculated risk to proceed after understanding why the problem existed.

BBC: Skydiver Felix Baumgartner breaks sound barrier

With something this monumental there are a lot of decisions that went wrong, from the engineering that caused the problem to the poor response when Toyota knew a problem existed.

FORBES: The Costs Of Bad Decisions Always Surface

The public has also reacted to the fact that, knowing this problem existed, the Dodger organization failed to do what was necessary to protect those attending ball games from this serious threat to their safety.

FORBES: Suspect Arrested In Brutal Los Angeles Dodger Stadium Attack