How often do you change the mobile phone services provider?
你会多久转换流动电话服务供应商?
How much do you usually pay for the bills of mobile phone services per month?
你每月缴付流动电话服务帐单的金额是多少?
Mobile phone services were restored in Cairo on Saturday, but the internet remains down.
开罗的移动电话服务已经在周日恢复,但是互联网仍然关闭。
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