Is it an expensive electronic item, or some other material or tangible item?
是昂贵的电子产品，还是其他物质性的商品？
As a raw material metal (aluminum or zinc alloy) is many times more expensive than the same volume of material in plastic.
为原料的金属(铝或锌合金)是较昂贵的多次比同体积的材料在塑料。
As a raw material metal (aluminum or zinc alloy) is many times more expensive than the same volume of material in plastic.
为原料的金属(铝或锌合金)是较昂贵的多次比同体积的材料在塑料。
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