WEBVTT 00:00:00.750 --> 00:00:02.170 開始前 00:00:02.170 --> 00:00:04.512 請先登入Google帳戶 00:00:04.512 --> 00:00:07.095 (愉悅的音樂) 00:00:10.120 --> 00:00:12.523 然後前往 slides.google.com