The primary benefit of this approach is that it doesn't have the same security concerns that have delayed the launch of mobile credit card based payment system Square.
这种方法的主要优势就在于不会遇到安全问题，而基于信用卡的支付系统Square则存在安全问题。
Bad Piggy Bank -- an SMS-based payment system the company is still testing that will make it possible for users to pay for games without the need to register or use a credit card.
坏小子存钱罐（Bad Piggy Bank）：Rovio公司正在测试的一项基于短信服务的支付系统，用户可以使用它支付游戏而无需注册或使用信用卡。
Based on this background, this paper takes interest rate pricing of credit card as the research subject, and conducts the system research from the view of credit risk control.
正是基于上述背景，本文以信用卡利率定价为研究主题，从风险控制视角对信用卡利率的定价进行系统研究。
Based on this background, this paper takes interest rate pricing of credit card as the research subject, and conducts the system research from the view of credit risk control.
正是基于上述背景，本文以信用卡利率定价为研究主题，从风险控制视角对信用卡利率的定价进行系统研究。
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