At the grass-roots word-of-mouth spread, the enterprises should make every effort to form their own characteristics so that the audience is more profound impression.

在基层的口碑传播上，企业要尽力形成自己的特色，使受众印象更为深刻。

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The news spread by word of mouth.

这消息是口头传开的。

《牛津词典》

At the very beginning, information spread by word of mouth.

最开始的时候，信息是通过口口相传的。

youdao

And in addition to learning about why lying is good, or why kids have a natural propensity to learn foreign languages, or whether chimps can talk, business executives are taking greater pains to communicate the right impression to customers in a tech-driven world where word-of-mouth can spread like wildfire to affect brand images.

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People are increasingly relying on insights and experiences of those they know before making a variety of decisions, from their career to what detergent to purchase, so it is important to not underestimate the power of word-of-mouth and how quickly it can spread through social media.

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House said he doesn't market to the quarterbacks but news has spread by word-of-mouth.

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