對。計劃每張說1到2分鍾。謝謝。
回答: 如果是PPT, 下麵有notes 部分,把每張的notes部分寫好,拿手上,每次按這個說,不要急,實現算好時間每張你大概有幾分鍾
由 mickey222
於 2014-09-23 01:10:10
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