Typically, in any performance tuning project the first issue is one of problem statement.

通常，任何性能调优项目的首要问题是问题描述。

youdao

As a special commodity, the quality of drug is one of problem which people most cared about.

药品是一种特殊的商品，它的质量一直是人们最为关心的一个问题。

youdao

As a special commodity, the quality of drug is one of problem which people most cared about.

药品是一种特殊的商品，它的质量一直是人们最为关心的一个问题。

youdao