Gold was heavy and cumbersome compared with paper money.

因为黄金和纸质货币比起来又笨又重。

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Braille books are expensive and cumbersome, requiring reams of thick, oversize paper.

布莱叶版的图书通常昂贵又难以携带，纸张巨大且厚重。

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Braille books are expensive and cumbersome, requiring reams of thick, oversize paper.

布莱叶版的图书通常昂贵又难以携带，纸张巨大且厚重。

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