由于安全性要求规定必须对未授权的查看者保密支付方式(诸如信用卡或银行支票)，对Payment元素加密就做到了这一点。

Since the security requirement dictates that the means of payment (such as credit card or bank check) must be hidden from unauthorized viewers, encrypting the payment element pays off.

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一种想法是将无线掌上电脑作为一种电子钱包，授权在商店支付，代替现金和信用卡。

One idea is to use the wireless PDAs as a kind of electronic wallet, authorizing payments in stores, as a replacement for cash and credit CARDS.

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本公司亦必须在收到你支付的首次保费或已填妥的银行自动转帐指示或信用卡授权后才作出承保。

We also need to have received your first premium payment or a completed Banker's Standing Order or Credit Card Authority.

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