求翻译：根据ABI研究机构估计，75%的世界人口生活在GSM网络覆盖地区，但只有30%的人使用手机；目前，二手手机及二手翻新手机的销售金额将达到30亿美元，到2012年，二手手机的销售总量将达到一亿部。是什么意思？

Genju ABI Research estimates that 75% of the world's population living in the GSM network coverage area, but only 30% of people use mobile phones; Currently, second-hand refurbished used phones and mobile phone sales amount will reach $ 3 billion in 2012, used cell phones sales volume will reach 100

In accordance with ABI institutes estimate that 75 per cent of the world's population lives in GSM network coverage area, but only 30 per cent of the population use mobile phones; at present, 2 mobile phone and 2 Mobile refurbished cell phone sales amount to $3 billion in 2012, the 2 mobile phone sa

Estimated according to the ABI development facility that, 75% world population life covers the area in the GSM network, but only then 30% person use the handset; At present, two handsets and two will renovate the handset sales amount to achieve 3,000,000,000 US dollars, to 2012, two handset sales to

According to ABI Research estimates, 75% of the world's population lives in the GSM network coverage area, but only 30% people use mobile phones; at present, used cell phones and used sales amount of the used phones will reach $ 3 billion by 2012, used mobile phone sales will reach 100 million.

According to ABI Research estimates that 75% of the world's population lives in the GSM network coverage area, but only 30% of people use mobile phones; Currently, second-hand refurbished used phones and mobile phone sales amount will reach 30 billion by 2012, second-hand mobile phone sales volume w