4K 两个专注的白人学生，一个青少年女孩和一个青少年男孩，在图书馆或教室里读书，学习，一个女学生和一个男学生。 股票录像 两个专注的白人学生，一个青少年女孩和一个青少年男孩，在图书馆或教室里读书，学习，一个女学生和一个男学生。 股票录像
4K Concentrated focused caucasian old senior business man reading book textbook at home library elderly professor in glasses aged 股票视频 Concentrated focused caucasian old senior business man reading book textbook at home library elderly professor in glasses aged 股票视频
4K Focused caucasian business man paying bills online laptop paperwork in kitchen male businessman checking finances mortgage 影视素材 Focused caucasian business man paying bills online laptop paperwork in kitchen male businessman checking finances mortgage 影视素材
4K Focused caucasian business man typing laptop working with corporate software at office table s businessman male executive work 股票视频 Focused caucasian business man typing laptop working with corporate software at office table s businessman male executive work 股票视频
4K 专注的 Caucasian 青少年女孩在教室里写作业，准备考试，专注的孩子，学生在书桌上做笔记，学习课程，教育，图书馆。高质量 4k 视频 股票录像 专注的 Caucasian 青少年女孩在教室里写作业，准备考试，专注的孩子，学生在书桌上做笔记，学习课程，教育，图书馆。高质量 4k 视频 股票录像
4K Close up two focused caucasian business men talking argument discussing documents mistake problem brainstorning in close up two 影视素材 Close up two focused caucasian business men talking argument discussing documents mistake problem brainstorning in close up two 影视素材
4K Focused caucasian mature business man managing corporate papers busy with company paperwork management middle aged businessman 股票录像 Focused caucasian mature business man managing corporate papers busy with company paperwork management middle aged businessman 股票录像
4K 专注的白人小女孩，体操运动员和舞者，在舞蹈工作室上课时旋转体操带，才华横溢、技艺精湛的孩子 影视素材 专注的白人小女孩，体操运动员和舞者，在舞蹈工作室上课时旋转体操带，才华横溢、技艺精湛的孩子 影视素材
4K Focused caucasian business woman writing notes in office thinking about ideas female businesswoman planning notebook diary tasks 股票视频 Focused caucasian business woman writing notes in office thinking about ideas female businesswoman planning notebook diary tasks 股票视频
4K Serious focused caucasian business man working laptop outdoors city male employer pensive busy worker using computer serious 股票视频 Serious focused caucasian business man working laptop outdoors city male employer pensive busy worker using computer serious 股票视频
4K Close up focused caucasian man watching tv eating popcorn at home amused male enjoying movie sport funny relaxed guy snacking junk 股票视频 Close up focused caucasian man watching tv eating popcorn at home amused male enjoying movie sport funny relaxed guy snacking junk 股票视频
4K Focused caucasian business man typing laptop keyboard in office concentrated male businessman manager working online corporate job 股票视频 Focused caucasian business man typing laptop keyboard in office concentrated male businessman manager working online corporate job 股票视频
4K 专注的白人小女孩在课堂上用手机写考试，借助人工智能助手作弊，不诚实的学生，青少年参加考试，互联网上的任务，学校教育问题 影视素材 专注的白人小女孩在课堂上用手机写考试，借助人工智能助手作弊，不诚实的学生，青少年参加考试，互联网上的任务，学校教育问题 影视素材
4K Focused caucasian middle aged businessman talking mobile phone in office while writing notes multitasking business man male 股票录像 Focused caucasian middle aged businessman talking mobile phone in office while writing notes multitasking business man male 股票录像
4K Serious focused caucasian middle aged business man multitasking speaking smartphone holding documents in city busy male working 股票录像 Serious focused caucasian middle aged business man multitasking speaking smartphone holding documents in city busy male working 股票录像
4K Focused caucasian girl businesswoman typing laptop business woman with computer taking of glasses feeling irritated eyes focused 影视素材 Focused caucasian girl businesswoman typing laptop business woman with computer taking of glasses feeling irritated eyes focused 影视素材
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