But in chapter 17, Mr Wilczek suddenly talks of a green and purple charge, leaving the reader scratching his head.

而在第十七章中，威尔茨克却突然谈到了绿色子和紫色子，另读者一头雾水。

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That’s not to sayyou can’t charge for a copy-able bit, but you sure can’t force a reader to payfor access to information anymore.

这并不是说你不能对可复制的信息收费，但是你肯定是不可以强制读者为获取信息付费。

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The thoughtful reader might propose the charge of the electron as an obvious candidate for the third natural unit.

善于动脑筋的读者，可能提出电子的电荷作为第三个自然单位的明显的候选者。

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Passengers on the city's 8, 500 vehicles will be able to buy tickets by swiping a credit, debit or charge card by a reader.

BBC: London buses offer contactless card payment

The feeds are also difficult to make money from, and Google never tried to place ads on Reader or charge for its use.

CNN: Google Reader shutting down on July 1

Who cares, under most circumstances, whether a reader holds its charge for 10 hours or a week?

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