此场景存在几个问题：首先，审阅是人工活动，要花费大量的时间。
There are several issues with this scenario: First, a review is a manual activity that takes a considerable amount of time.
从图1可以看到，在这种多层场景中使用APP_USER之类的通用应用程序用户存在几个问题。
As Figure 1 illustrates, there are several inherent problems with the usage of a generic application user such as APP_USER in such multi-tier scenarios.
通过对湖南省的市级课间操开展的现状进行调查，发现目前课间操中存在几个问题：1。宣传不够。
Through the investigation about the Hunan municipal calisthenics current situation, there are several problems in the current calisthenics: 1. Propaganda is not enough.
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