求翻译：但是，他们面临不少的困难，比如，由于城市人口急剧增加，许多人很难找到工作，租房，教育，医疗及生活费用都很高，他们中不少人陷入贫困。是什么意思？

However, they face many difficulties, such as, due to the rapid increase in urban population, many people work hard to find, rent, education, medical and living expenses are high, many of them into poverty.

However, they faced many difficulties, for example, the rapid increase in urban population, many people find it very difficult to find work, education, medical care, housing and living costs are high, many of them live in poverty.

But, they faced with many difficulties, for instance, because the urban population sharp growth, many people very difficult to find the work, rents a room, the education, the medical service and the living expense very are all high, in them many people fall into impoverished.

However, they faced many difficulties, for example, due to rapid increase in urban population, many people struggling to find work, rental, education, medical and living expenses are very high, many of them people into poverty.

However, they face many difficulties, such as, due to the rapid increase in urban population, many people work hard to find, rent, education, medical and living expenses are high, many of them into poverty.