They have also been granted the freedom to experiment with different pricing models-in other words, start charging by the Megabyte instead of offering a flat rate.

它们还被授权可以尝试不同的收费模式——换句话说，开始按照流量收费而不是按一个统一的标准收费。

youdao

A prime symptom of the monetary malaise has been the extraordinarily high rate that Banks have been charging each other for three-month loans.

货币市场弊病的主要症状是银行之间互相收取异常高的三个月贷款利率。

youdao

If the clickthrough rate on the banners drops below 0.6%, FeaturedUsers stops charging for impressions until it increases again.

如果banner广告点击率（clickthrough rate）低于0.6%，就会停止收费，直到再次超过0.6%。

youdao

It will work alongside the reverse SMS billing and premium rate number charging systems Vodafone already operates.

BBC: Money in your mobile

Researchers at the Washington State University said Wednesday they have figured out how pack more energy into a lithium-ion battery and boost the rate of charging it.

FORBES: Tin: The Secret To Improving Lithium-Ion Battery Life

But if that service costs double the home-charging rate, that percentage drops to 30 percent.

FORBES: Charging EVs Should Be Easy, Survey Finds - Duh!