Of course, on the other hand, since it costs Amazon a heck of a lot less to send you a Kindle book via Whispernet than it does to UPS all those books to your door.
当然,另一方面,将一本电子书通过Whispernet发送给你,与使用UPS把所有的这些书送到你家门口相比,可以为Amazon节省非常非常多的快递费用。
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