voa一句话不懂
问题描述：
voa一句话不懂
Tuesday's debate will feature a town hall format where members of the audience will ask questions,a format that Senator McCain prefers.
着重解释下feature，format，pls
答
周二的辩论将具有市政厅形式的特点,在那里观众们可以问问题,这是参*麦凯恩喜欢的形式.