4K After graduation male grad student holding mortarboard and diploma taking phone selfie on campus after graduation male grad 股票录像 After graduation male grad student holding mortarboard and diploma taking phone selfie on campus after graduation male grad 股票录像
4K Male student holding bowl spoon eating cereal while social media icons floating distracting focus male student holding bowl spoon 股票视频 Male student holding bowl spoon eating cereal while social media icons floating distracting focus male student holding bowl spoon 股票视频
4K 一位在城市街道上拿着笔记本的学生看起来困惑不解，一手扶着头，穿着休闲的白色衬衫和蓝色背包，周围是城市景观 影视素材 一位在城市街道上拿着笔记本的学生看起来困惑不解，一手扶着头，穿着休闲的白色衬衫和蓝色背包，周围是城市景观 影视素材
4K 压力大、沮丧的非裔美国男性，疲惫的学生在大学图书馆里抱着头，手持笔记本电脑，精神痛苦问题 股票录像 压力大、沮丧的非裔美国男性，疲惫的学生在大学图书馆里抱着头，手持笔记本电脑，精神痛苦问题 股票录像
4K Happy smiling african american male student holding mobile phone in university corridor positive man indoors side view joyful 股票录像 Happy smiling african american male student holding mobile phone in university corridor positive man indoors side view joyful 股票录像
4K Caucasian girl teenager studying at school cute pretty kid child smiling daughter pupil schoolgirl student holding apple caucasian 股票录像 Caucasian girl teenager studying at school cute pretty kid child smiling daughter pupil schoolgirl student holding apple caucasian 股票录像
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