You can expect to pay the bank a fee of around 1% to 2% every time you change money.

每次兑换钱时，你要准备支付银行约1%至2%的费用。

《柯林斯英汉双解大词典》

You can change money at the cashier.

兑换钱币请到出纳。

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If you need to change money or cash travellers' checks, we have a bank on board.

如果您需要兑换货币或将旅行支票提现，我们船上有银行。

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They charge up to ten times more than informal channels, must change money at official rates and, in some countries, levy a tax on the exchange.

FORBES: Magazine Article

In Somaliland I was greeted at the airport with a huge smile and warm hug by a local guide and taken by taxi to change money and then for a meaty feast in a local restaurant.

BBC: Somaliland: Africa��s unofficial country

But I don't want to go on praising the airlines, or the quirkily thoughtful hour-long wait for baggage, which nicely gives me time to change money, admire the unique arrival hangar and swap hotel information with fellow passengers.

CNN: From Our Correspondent: On a Magical Hill