Word of mouth advertising happens when one person tells another about a good experience with a product or service.

当一个人告诉另一个人对产品或服务的良好体验时，口碑广告就发生了。

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There is no gainsaying the power of word of mouth to make or break a new product. Just ask those who have been on the receiving end of consumer brickbats or bouquets.

没有人否认口碑拥有成就或毁灭一个新产品的强大力量，只要问问那些曾被消费者大肆抨击或赞扬的厂商，你自然就会明白。

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The best possible marketing tool is word of mouth, but a product has to be extremely good to earn it.

市场营销最好的工具是以口相传，但前提是产品品质必需非常出色。

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The product has grown by mostly word of mouth, and serves as a beautiful case study for other makers and inventors who have a product that serves a niche market.

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In a digital age your best PR and Marketing is a product that creates word of mouth.

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