相关CCBN的文学知识

TheelectronicscreenoutsidethemainvenueplayedthepromoofCCBNinloop,whichgreatlyenhancedtheatmosphereoftheconferenceandconstitutedanotherfeatureofthekeynotespeeches.主会场外的大屏幕循环播出CCBN宣传短片，极...