Museums should require regular visitors to pay a fee, but provide free tickets as prizes for high achieving students who can appreciate them more.

博物馆应该要求经常参观的人付费，但为成绩优秀的学生提供免费的门票作为奖励，让他们可以更多地欣赏博物馆。

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New IT consultants must remember to charge 30% to 40% more than their regular onsite rate for the first half-hour or simply add a flat-rate callout fee.

IT顾问新手必须牢记为其前半小时在正常现场服务费率的基础上追加30%到40%，或者干脆追加一个固定费率的附加费用。

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Behavioural specialists say that members who pay an up-front yearly fee go less frequently because they don't have a regular reminder of their commitment printed on their bank statements.

行为研究学家说，会员预付完年费后，就没了定期的银行帐单“任务”提醒，由此，他们去健身房锻炼的次数会少许多。

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The only thing they have to pay on that is a regular interest charge to the IMF as a fee for the conversion of the currency,"

VOA: standard.2009.04.20

This will provide upgrades and maintenance of Microsoft's software for a regular fee.

ECONOMIST: Computer outsourcing

He also said the regular fee for the expansion work should have been 10.2 million reais, based on municipal regulations, but Brookfield was able to get the permit paying just 6.4 million Brazilian real.

WSJ: Brookfield Faces Bribery Charges in Brazil

The bonus complements regular fee-for-service.

ECONOMIST: Health-care services