求翻译：Mocan和Tekin（2004）同时考察中国城镇医疗需求的收入弹性和价格弹性，他们发现医疗消费对贫困的城镇居民具有价格弹性，而对城镇富裕家庭则不具有价格弹性。是什么意思？

Mocan and Tekin (2004) also investigated the medical needs of China's urban income elasticity and price elasticity, they found that health care spending for poor urban residents have a price elasticity, while the town has a price elasticity is not well-off families.

( 2004) and Tekin Mocan simultaneous visits china's cities and towns medical income elasticities of demand and price elasticity of poverty, they found that health care spending of the urban population has a price elasticity of cities and towns, and wealthy family which is not a price-elastic.

Mocan and Tekin(2004) simultaneously inspects the Chinese cities medical service demand the income elasticity and the price elasticity, they discovered the medical service expends to the impoverished cities inhabitant has the price elasticity, but does not have the price elasticity to the cities wea

Mocan and Tekin (2004) at the same time Chinese urban medical income elasticity of demand and price elasticity, they found that medical spending on poverty of urban residents have price elasticity, and rich families to cities and towns do not have price elasticity.

Mocan and Tekin (2004) at the same time Chinese urban medical income elasticity of demand and price elasticity, they found that medical spending on poverty of urban residents have price elasticity, and rich families to cities and towns do not have price elasticity.