Such SINS often involve taking secret commissions or failing to disclose hidden charges.

这种种罪行通常涉及秘密收手回扣或疏于披露暗中收费。

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You may often find some errors and double charges. Look at hidden fees from all the bills you pay.

你能经常发现一些错误已经重复收费，尤其看看你所付的账单中所隐藏的费用。

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Screenscraping involves gaining unauthorised access to the Ryanair website and mis-selling of flights to consumers with exorbitant charges and mark-ups which are hidden from consumers.

屏幕抓取涉及非法进入瑞安航空的网站，并且以过高的价格和隐瞒消费者的加价非法出售机票。

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Consumers need more protection against hidden charges often tucked away in the small print, according to two bodies responsible for promoting law reform.

BBC: calculator and pen

The commissions say that the rise of price-comparison websites have put pressure on traders to advertise low headline prices, while playing down other hidden charges.

BBC: calculator and pen

The one finding which repeated behavioural studies confirm is that individuals respond much more strongly to costs that confront them direct than to hidden charges.

ECONOMIST: A survey of commuting