在节目开始之前我想问大家一个问题，明天是什么节日呀？
Before the start of the program I would like to ask you a question, What is the festival tomorrow?
在节目开始之前我想问大家一个问题，明天是什么节日呀？(元旦节)？
Before the start of the program I would like to ask you a question, What is the festival tomorrow? (New Year)?
在电视问答比赛节目开始之前，为参赛者做了准备性的练习。
Before the television quiz program there was a warm-up to prepare the contestant.
在电视问答比赛节目开始之前，为参赛者做了准备性的练习。
Before the television quiz program, there was a warm - up to prepare the contestant.
在开始播放节目信号源之前，必须把音量设定到最小。
The volume should be set to minimum before you begin playing the program source.
在开始播放节目信号源之前，必须把音量设定到最小。
The volume should be set to minimum before you begin playing the program source.
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