What are the advantages and disadvantages of online classes? What improvements can be made? 简答题（100词
Advantages: Flexibility, convenience, cost-effective, self-paced learning.
Disadvantages: Limited interaction, lack of motivation, technical issues, difficulty in submitting assignments.
Improvements: More interactive tools, regular feedback, clear communication channels, better technical support.
Disadvantages: Limited interaction, lack of motivation, technical issues, difficulty in submitting assignments.
Improvements: More interactive tools, regular feedback, clear communication channels, better technical support.
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