Deliver good service, charge a fair price, and make it worth their while to send a friend your way.

但其实优质的服务，公道的价格都能激励他们将熟人介绍给你。

youdao

Realize that you earn income by providing value - not time - so find a way to provide your best value to others, and charge a fair price for it.

你应该意识到你可以通过提供价值来获得报酬- - - - - -而不是时间- - - - - -那么你就该去找到一种将你的价值带给大家的方法，然后再收取一点报酬。

youdao

When you provide value and charge a fair price, you create loyal fans AND you can still sleep at night.

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The question is, is Samsung trying to charge a fair price for them (FRAND terms) or has Apple managed to license them through a tie up elsewhere?

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He should pay a reasonable wage, charge a fair price, and be decently restrained in the way he spends his profits (which, the shrewd Islamic economist points out, ought to be good for investment and healthy counter-inflationary).

ECONOMIST: A survey of Islam and the west