倍数表达可以省去第二个as

Maybe I would have sold twice as many copies without that equation.

（如果不用那个公式的话，也许我能多卖出一倍的书。）

请问老师，原句是不是可以等价于Maybe I would have sold twice as many as copies without that equation.

原句为何少用了第二个as？

这不是省略，这里根本没有as。

倍数比较的完整形式是：倍数 + as + many/much + 名词 + as 比较对象

例如把你的句子补全：I would have sold twice as many copies as I have actually sold without that equation.

在可以根据上下文推断的情况下，完整形式中的名词和比较对象分别是可以略去的，但是不可能单独略去第二个as：

I have sold 10000 copies. I would have sold twice as many without that equation.

qlf2007 -

擅长：语法理论,语言学,句法问题 | 采纳率 56% | 回答于 1秒前

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曹荣禄 1秒前

擅长：动词用法,句法问题

你忽略了比较对象以及其中的逻辑关系。