英语翻译
1.Shriking landfill space,and rising costs for burying and burning rubbish are forcing local goverments to look more closely at recycling.
2.one out of five是不是“超过五分之一”的意思啊?
3.The reason for the change is that now there doaens of companies across the country buying discarded plastic soda bottles and turning them into fence posts.
怎么翻译"dozens of"和"fence posts"更恰当啊？