The BRICs import raw materials like copper and cotton from poor countries; rich countries tend to buy manufactured goods such as garments.

金砖四国从贫困国家进口铜和棉花等原材料，而富裕国家则倾向于购买服装等制成品。

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Exports are either raw materials or manufactured goods. Raw materials are products of the land, such as cotton, timber or rubber.

出口货物既有原材料，也有制成品。原材料是从土里长出来的产品，如棉花、木材或橡胶；有些原材料，如铁矿等，是从矿山里开采出来的。

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Exports are either raw materials or manufactured goods. Raw materials are products of the land, such as cotton, timber or rubber.

出口货物既有原材料，也有制成品。原材料是从土里长出来的产品，如棉花、木材或橡胶；有些原材料，如铁矿等，是从矿山里开采出来的。

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