I have an account with a bank in London.

我在伦敦的一家银行有户头。

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You must sign an agreement and deposit money into a safe bank account or account with the immigration company to show that you have the funds to pay the service fee.

但你需要提前和我们签定一份合同协议，把钱存到移民公司的账号下或者是一个安全的银行户头下，以保证你有足够的钱来支付服务费。

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