The CD serves as multimedia 's chief storage and exchange medium.

光盘是多媒体的主要存储和交换媒体。

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In fulfilling its role as the medium of exchange, money just facilitates the flow of goods and services.

货币在实现其作为交换媒介的功能的时候，只是促进了商品和服务的流动。

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One of the reasons for selecting gold as the medium of exchange is that it is relatively scarce.

选择黄金作为交换媒介的原因之一是黄金的相对稀缺性。

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In its function as a medium of exchange, medium of payment and store of value, gold is thus, in a sense, a timeless classic.

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This precious metal has global appeal and has historically been a medium of exchange.

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Pascarella insists that nobody is better positioned to become the premier medium of exchange.

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