On November 26, 2018, “Huayuworld.org” invited Prof. Yu-Jen Lien, Department of Teaching Chinese as a Second Language at Chung Yuan Christian University to give an online live lecture about how to teach “Let's learn Chinese” via digital devices, which received favorable feedbacks from audiences. This video has uploaded onto youtube, please see https://youtu.be/j0N00mRTUnE

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