The traditional concept for billing and metering SaaS applications is a monthly fixed cost; in some cases, depending on the amount of data or number of "seats," the billing and pricing are optimized.

对SaaS应用程序计费和计量的传统观念是每月固定费用；有些情况下，根据数据量或“座位数”，对计费和定价进行了优化。

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Meanwhile, distance and voice-based pricing are going away too, so that before long many subscribers will probably pay a fixed monthly access fee for unlimited phone calls and data transfers.

同时，用打电话多少与距离远近订价的方式也会一去不复返，不久的将来许多电话用户很可能只需每月支付一笔额定的接入费，就可以无限制的打电话或传输数据了。

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Willingness of vendors to offer fixed-price contracts or dual-currency pricing.

卖方愿意签订合同固定价格，或是采取双币定价措施。

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Ironically, the turning-point came earlier this year, when it was suggested that, as the supply of Treasury bonds dwindles thanks to the federal government's surplus, mortgage-agency debt could replace them as the benchmark used for pricing other fixed-income securities.

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Usage-based pricing with no fixed contracts or contracts with renewable terms as short as 30 days.

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Yet the majority of survey respondents (about 60%) said that the outcome-based model with its fixed fee pricing is more effective.

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