一旦汽油配给制度实施，它将用来测量记录单月额定汽油消费量，并对额外的量高价收费。
Once rationing is introduced these will be used to measure a monthly allowance of subsidised fuel and to charge more for excess consumption.
并且，一旦Google开始收费，那么肯定要自力更生—每月5百万的点击率是巨大的流量。
And once Google does start to charge you money, you're bound to be making your own - 5 million hits a month is a tremendous amount of traffic.
可以这样说，一旦您达到了Google开始收费的那个点，您的Web应用程序已经很明显地产生了巨大的通信量(以及利益)。
Suffice it to say, once you reach a point where Google starts billing you, your Web application has clearly generated significant traffic (and therefore interest).
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