An increasing number of experts believe that migrants will exert positive effects on construction of city . owever, this
opinion is now being questioned by more and more city residents, who complain that the migrants have brought many
serious problems like crime and prostitution.
越来越多的专家相信移民对城市的建设起到积极作用，然而，越来越多的城市居民却怀疑这种说法，他们抱怨民工给城市带来了许多严重的问题，象犯罪和卖淫。
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.
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。
An investigation shows that female workers tend to have a favorable attitude toward retirement.
一项调查显示妇女欢迎退休。
People seem to fail to take into account the fact that education does not end with graduation.
人们似乎忽视了教育不应该随着毕业而结束这一事实。
It is indisputable that there are millions of people who still have a miserable life and have to fact the dangers of
starvation and exposure.
无可争辩，现在有成千上万的人仍过着挨饿受冬的痛苦生活。
In view of the seriousness of this problem ,effective measures should be taken before things get worse.
考虑到问题的严重性，在事态进一步恶化之前，必须采取有效的措施。
Proper measures must be taken to limit the number of foreign tourists and the great efforts should be made to protect
local environment and history from the harmful effects of international tourism.
应该采取适当的措施限制外国旅游者的数量，努力保护当地环境和历史不受国际旅游业的不利影响。
Any government which is blind to this point may pay a heavy price.
任何政府忽视这一点都将付出巨大的代价。