0It seems like past participle to me. I could be wrong. To me, it functions like the 'required' in your sentence.
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01cite10Jack123412cite10For the following sentences I see on a book: 12br
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10"Compared to the amount of space required for storing paper proposals, saving those information in digital format only requires a relatively small amout of space. "12br
12br
10May I know Why it is using "compared to" instead
01cite10Jack123412cite10Another way, (when it is) is not there, why should we imagine there is some words there?12br10I'll give you another example. My dog 01b00named02b00 Darkie is playful. Yo
10Sorry, I am new to this structure, thus I do not 100% understand your explanation.12blockquote