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Speech of female teacher at conference meet. Confident speaker talks at scene in crowded forum hall. Woman explains motivation to people group. Teamwork study for business men at modern event indoors

视  频 ID：  1055066531
版      权：  VisualBricks
视频长度：  0:08
横纵比率：  16:9
所属分类：  商务 教育 
商业用途（模特授权书存在站酷海洛）
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