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- Pollution is a big problem to deal with. 污染是一个要处理的大问题。
- B: So air pollution is a big problem. 空气污染是一个大问题。
- How to control the water pollution is a big problem. 如何控制水污染是一个大问题。
- Exactly! There is a big problem with pollution. 对极了！污染在那里是一个大问题。
- Pollution is a big problem. 污染是个大问题。
- The redundant labour in factories is a big problem. 工厂的过剩劳力是个大问题。
- Public transport is a big problem in this locality. 公共交通是这个地区的大问题。
- Population problem is a big problem. 人口问题是个大问题。
- Air pollution is a big problem in this locatily 这个地区空气污染是一个大问题
- It is a big problem, it is really a head-scratcher. 真是一个头疼的问题。
- How to deal with waste is a big problem. 如何对废物进行处理是个大问题。
- How to get rid of the rubbish is a big problem. 如何清理这些垃圾是个大问题.
- Air polution is a big problem in this locality. 空气污染是此地区的一个大问题。
- How to get rid of these things is a big problem. 如何清除这些东西是个大问题。
- Air pollution is also a big problem in very large cities,especially in developing countries. 在大城市，空气污染同样是个大问题，尤其是在发展中国家。
- If the reasoning succeeds, it is a big problem for universalists. 如果推理成功，这是对共相来说很大的问题。
- Air pollution is a global problem. 空气污染是全球性的问题。
- He said air pollution is a serious problem. 他说大气污染是个严重问题。
- Air pollution is a big issue in Hong Kong, affecting our daily lives in numerous ways. 香港的空气污染情况是个大议题,影响到市民的日常生活。
- Pollution is a very serious problem. 污染是一个很严重的问题。
