能在KZbin收看到這樣的影片, 提供一個免費的知識收集與擷取的管道, 對於學生或是授業者來說都是好事,且非常有助益, 謝謝熱心的紅袖藏雲, 更謝謝KZbin提供的平台與把關。 Appreciated to have this film uploaded for students and instructors on KZbin, which is a good website to pull all information together for non-profit and not for re-sale to use. Thank you, 紅袖藏雲. Thank you, KZbin.