edwin是一个教育培训软件，旨在通过其培训提高相关考试的成功率，主要提供托福、托业等课程，其亮点是引入了人工智能，通过 facebook messager chatbot提供服务，目前课程免费。试用中发现在国内（China mainland）网络中网速较慢，语音加载慢，有时间会长时间无法加载的情况。
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