上月代表了70%欧洲移动电话用户的运营商联盟，宣布他们将砍掉他们一半的漫游批发价格。
Last month an alliance of operators, representing 70% of European mobile users, said they would cut their wholesale roaming prices by half.
这类设备也有利于改进移动电话的可靠性，因为当它们在电话基站之间漫游时，必须仔细校对时间。
Such devices could also improve the reliability of cell phones, whose signals must be carefully timed as they travel from phone to tower.
这类设备也有利于改进移动电话的可靠性，因为当它们在电话基站之间漫游时，必须仔细校对时间。
Such devices could also improve the reliability of cell phones, whose signals must be carefully timed as they travel from phone to tower.
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