Worse, many lessons are taught by teachers with no relevant qualification.
更糟糕的是，很多学科的执教老师并不具备相关的资质。
Qualification: Bachelor Degree in Computer Science or relevant field or above.
资质：计算机科学或相关领域本科及以上学历。
Qualification: Bachelor Degree in Computer Science or relevant field or above.
资质：计算机科学或相关领域本科及以上学历。
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