mature businesswoman doing artificial intelligence presentation in auditorium - 碩士學位 個影片檔及 b 捲影像00:08
mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:20
mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:09
mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:09
mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:18
mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:13
portrait of a mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:13微笑
portrait of a mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:06
portrait of a young businessman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:07
young businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:32
portrait of a mature businessman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:10
mature businessman doing ai presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:17
portrait of a mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:12
portrait of a mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:11
portrait of a mature businesswoman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:13
portrait of a young businessman doing presentation during seminar or conference at office - 碩士學位 個影片檔及 b 捲影像00:09
mature professor doing presentation to students on the classroom at university - 碩士學位 個影片檔及 b 捲影像00:21
senior professor doing presentation to students on the classroom at university - 碩士學位 個影片檔及 b 捲影像00:11
senior professor doing presentation to students on the classroom at university - 碩士學位 個影片檔及 b 捲影像00:07
senior professor doing presentation to students on the classroom at university - 碩士學位 個影片檔及 b 捲影像00:15
senior professor doing presentation to students on the classroom at university - 碩士學位 個影片檔及 b 捲影像00:09
retired us army lieutenant colonel john beasley says at a news conference as the take care of america's veterans act was set for floor debate that... - 碩士學位 個影片檔及 b 捲影像00:58
portrait of a mature woman using laptop to study in the classroom at university - 碩士學位 個影片檔及 b 捲影像00:11
portrait of a mature woman using laptop to study in the classroom at university - 碩士學位 個影片檔及 b 捲影像00:10
tennessee congressman david kustoff asks espn analyst sam acho at a house ways and means committee hearing on federal tax policy in the professional... - 碩士學位 個影片檔及 b 捲影像01:23
