Theone person in the room who didn't hear the symphony—andnever would—was the very manwho composed it.
这是2020版高中英语北师大版必学第三册第7单元的句子。
你的句子用不需要one 意思不同。比较：
theperson in the room 房间里的这个人
theone person in the room 房间里唯一的一个人
句意：Theone person in the room who didn't hear the symphony—and never would—was thevery man who composed it.
剧院里唯一没听到并且永远也不会听到这部交响乐的那个人居然是它的创作者。
如此用的the one 在乎义上等于 the only。又如：
That’sthe one thing I’m afraid of. 那是我唯一担忧的事。
She’sthe one person I trust. 她是我唯一信赖的人。
Frankis the one man who can do it. 弗兰克是唯一能办此事的人。
Theone disappointment we had was that we didn’ t get to shake hands with thePresident. 大家唯一失望的是没能跟总统握手。
Theone disadvantage of the new software is that it uses up a lot more space onyour disk. 这种新软件的唯一不好之处是，它占用的磁盘空间太大了。
Shefound herself in the one spot that gave her no shelter from the rain. 她发现自己处在唯一一处不可以避雨的地方。