參考翻譯

Shanghai is transforming into a world metropolis,which pushes up the cost of living there. Migrant workers come to the city because they can earn more than they would in the countryside. But without a local registration,their access to many services is limited. A recent study by Shanghai University found that 49% of those interviewed earned less than 3,000 yuan a month,about $15 a day in equivalent. That is the wage for well-off life in some rural areas of China，but in an expensive city like Shanghai this amount of money cannot go far.

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