克罗斯比最先了解到，麦克风能使他在一间小屋里对着一个人歌唱的效果，等价于在大厅广众中对着许许多多人歌唱。
Crosby was among the first to understand that the microphone made it possible to sing to multitudes by singing to a single person in a small room.
今天小屋新开张，请各位前辈们多多指教了。
Today the opening of a new house, all predecessors of the exhibitions…
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