but we still have not found a solution as to how to get water from water without a lot of money. - 柯帕斯英语网

but we still have not found a solution as to how to get water from water without a lot of money.

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刘永科 - 教育出版集团英语总顾问 & 英语系列图书主编 2020-11-28 17:10

擅长：语法理论,语言学,文化背景

but we （主）still have not found （动）a solution （宾）as to how to get water from water without a lot of money.（定。修饰宾语的定语）

1. as to 是复合型介词，意思约等于 about。

2. how to get water from water without a lot of money，作as to 的宾语。不定式前有wh-word 时，相当于一个名词，故可以用在介词后。又如：

This is a small book on how to operate the machine. 这是一本关于操作机器的小册子。

They're both uncertain about what to do. 他们两人都拿不定主意该怎么办。

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木子兮提出于 2020-11-28 14:25