Hi, One thing which every non-native english speaking instructors (as myself) could possibly do to improve their courses is by using subtitles. You could manually add subtitles within the course video to help students better understand the course. Also, there's this tool in udemy called "market insights" (https://www.udemy.com/instructor/marketplace-insights/) which provides the topics students are looking for at present. Hope this helps. Wish you all the best !
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