4K Serious concentrated caucasian business man talking computer video call at night office focused middle aged businessman serious 影视素材 Serious concentrated caucasian business man talking computer video call at night office focused middle aged businessman serious 影视素材
4K 一位专注的中年男子，头发灰白，是一位科学家，正在实验室里专心致志地工作在电脑前，摘下眼镜时 股票视频 一位专注的中年男子，头发灰白，是一位科学家，正在实验室里专心致志地工作在电脑前，摘下眼镜时 股票视频
4K 在她舒适的家中，一位认真的、专注的中年金发女郎正坐在沙发上，全神贯注地使用着她的笔记本电脑在 股票视频 在她舒适的家中，一位认真的、专注的中年金发女郎正坐在沙发上，全神贯注地使用着她的笔记本电脑在 股票视频
4K Focused middle aged woman is on smartphone while sitting at office table during work time focused middle aged woman is on 影视素材 Focused middle aged woman is on smartphone while sitting at office table during work time focused middle aged woman is on 影视素材
4K Focused middle aged man carefully examining blue detergent bottle while friendly young female sales assistant offering focused 股票录像 Focused middle aged man carefully examining blue detergent bottle while friendly young female sales assistant offering focused 股票录像
4K 阳光明媚的日子里，坐在绿色夏日草甸上的笔记本电脑上打字的，是一张宽松的白种人商人. 侧视图 股票录像 阳光明媚的日子里，坐在绿色夏日草甸上的笔记本电脑上打字的，是一张宽松的白种人商人. 侧视图 股票录像
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