当然你也可以依靠那些有好口碑的技工。如果你真的能找到好的汽车技工，那可要告诉其他人啊。

You can also rely on word of mouth. If you've found a good mechanic, quite often you'll tell people.

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正是这些细节让人们将“伟大”的公司和“好”的公司区别开来，并让人们留意到这些细节，将其产品口碑传播开去。

But it's these details that separate "good enough" companies from great companies, and attention to these details that make people "evangelize" about product virtues.

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但问题是陌生人难以转变成产品的宣传者，想利用他们的好口碑要付出昂贵的价钱，还有最困难的是，常常要满足他们的需求。

The problem is that strangers are difficult to convert. And the other problem is that they're expensive to reach.

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