优酷视频1: http://v.youku.com/v_show/id_XMTYyMjY4Mjg2MA==.html
优酷视频2: http://v.youku.com/v_show/id_XMTYyMjY5NDMyOA==.html
Youtube Video 1: https://youtu.be/MIzLoMmEDbw
Youtube Video 2: https://youtu.be/GwkkuTz10so
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