mentor修改过的文件下载下来不知道为什么总是不稳定，前面mentor的留言一会儿出现一会儿不出现。其他都还蛮好。
Elizabeth is nice and very helpful. She responded every question I had, and made some useful advice.
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mentor修改过的文件下载下来不知道为什么总是不稳定，前面mentor的留言一会儿出现一会儿不出现。其他都还蛮好。
Elizabeth is nice and very helpful. She responded every question I had, and made some useful advice.