商品降价可以扩大销售量与销售额，但降价的时机和降价的幅度必须恰当。

Sales volume and sales profit could be expanded through commodity markdown, but only in the right time and amplitude.

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投入广告可以扩大商品的销售量，但投入必须恰当。

Ad can enlarge the sales volume, but cost must exact.

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仅供观看（不是很恰当的翻译），你可以在此观看此商品的特性。

View Only Item: You can view the specifications for this item here.

youdao

仅供观看（不是很恰当的翻译），你可以在此观看此商品的特性。

View Only Item: You can view the specifications for this item here.

youdao