The best form of advertising is probably word-of-mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.

最好的广告形式可能是口口相传的广告，当人们将所购买的产品或服务的好处告诉他们的朋友时，这种广告就出现了。

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Here is some advice for small businesses about word of mouth advertising.

以下是给小企业的一些关于口碑广告的建议。

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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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Subscribers number more than 100, 000, and Beauchamp brags of a 20% monthly rate of growth in the past year, most garnered strictly by word-of-mouth advertising.

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The Gruets expend much effort getting their wines into Santa Fe restaurants, figuring on word-of-mouth tourist advertising.

FORBES: Magazine Article

The best--and cheapest--advertising, however, is word of mouth.

FORBES: Magazine Article