精选答案I didn't realize until the university period and attention to the seriousness of the problem. Since then I started to record every section of the course content, collect and filter all the experience and method of effective targeted.
求英语翻译 “直到大学时期我才意识和关注到这个问题的严重性。从那时起我便开始记录每一节专业课的内容
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