Mama is the Mobile Alliance for Maternal Action, it is based on the idea that wireless phones are the most dependable way to reach people. Right now, three of every four people in the world use cellphones. Mama是孕产妇移动联盟的简称,它是基于无线电话是传达到人的最为可靠的方式这样一种理念.目前全球每四人中就有三人使用手机.
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