Not a big price when you send a few dozen e-mails in a day.
当您一天中只发送几十封电子邮件时，这个代价并不大。
Research e-book pricing and decide on a price
研究电子书价格并（为自己的书）定价
A cut-throat price war has broken out between major e-commerce companies.
一场激烈的价格战在几大电子商务企业间爆发。
A cut-throat price war has broken out between major e-commerce companies.
一场激烈的价格战在几大电子商务企业间爆发。
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