2007.10.06 : Who is to lead off the discussion？
讨论由谁来带头发言？
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lead off:begin；start 开始；领先
再如:
The town band led off by playing the National Anthem.
市府乐队首先奏国歌。
海纳百川，有容乃大；壁立千仞，无欲则刚。