About OS X (作業系統) results of 10,000
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03:58![The Disabled President of the United States [CC]](https://thumbnail.voicetube.com/w/480/h/270/83N56MpQHXc.jpg)
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02:19![[ 中英字幕] 實用商業會議英文 English for Business Meetings( 區分正式/非正會議，各階段看時間軌 )](https://thumbnail.voicetube.com/w/480/h/270/oNj_YB5ZKZo.jpg)
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