书画人生
橙橙小狐狸
1. This was caused by the carelessness of the staff.2. The training to the staff is not in place.或者it lacks in the training to the staff.
金色年华119
1.The problem was made by the careless workers2.This way to train the workers isn't enough也许直接翻译有点差异 不过意思差不多的
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