08年考验英语真题求助Entirely new business models are emerging; three main ones were identified by the report's authors.句中three main ones指三种主要商业模式,为什么代词用ones,难道是3的原因?one也可以像名词那么用

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08年考验英语真题求助
Entirely new business models are emerging; three main ones were identified by the report's authors.句中three main ones指三种主要商业模式,为什么代词用ones,难道是3的原因?one也可以像名词那么用?

是的啊,可以 啊

Ones是指前文所提到3个并列mobiles 是跟这个保持一致的,望采纳。

一楼正解,ones是泛指