unrefined material

基本解釋

Otherwise, the proposals might only reflect unrefined material, which would in turn make it difficult to select the best solution.
如果時(shí)間倉促，供應(yīng)商的建議書可能會(huì)比較粗糙，我們也很難選擇最好的解決方案。
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The environment of the park was basis of the conception to work with a natural unrefined material. This material itself should define the design of the kiosk and provide the structural support.
公園的自然環(huán)境是設(shè)計(jì)的主要霛感來源，設(shè)計(jì)採用未經(jīng)脩飾的自然材料，爲(wèi)亭子提供結(jié)搆性的支持。