Users can buy refill card at retail and add credit to the pre-paid account.

用户可以购买充值卡，给预付费账号充值。

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Your balance -which you can add to with a credit card, either on the device or on your computer browser -pops up with the dial screen.

你的余额——你可以在你的机子上或电脑浏览器上使用信用卡来付——会在拨号屏幕上弹出。

youdao

Add a requirement of payment by credit card.

添加通过信用卡支付的需求。

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You can easily add credit which then allows you to call landlines and mobiles for a fraction of the cost.

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Wal-Mart, Target, Sears and Home Depot said they have no plans to add a credit-card surcharge.

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Add a credit downgrade into the mix and it could be a mini-2008 in the works when it comes to market corrections.

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