1、There is no denying the fact that air pollution is an extremely serious problem, the city authorities should take strong measures to deal with it.
2、An investigation shows that female workers tend to have a favorable attitude toward retirement.
参考译文:
1、无可否认,空气污染是一个极其严重的问题,城市当局应该采取有力措施来解决它。
2、一项调查显示妇女欢迎退休。