小剑2016
environmental是形容词, 而environment是名词.主要区别:The environmental is polluted.环境被污染了.This man-made beauty has an environmental cost. ←这个的造句真是想不出来了, 所以百度上复制了一下这种人造的美丽付出了环境的代价。man-made是人造的beauty是美丽cost作名词为代价, 作动词是付出, 这里是名词.
世界杯之猪
答案：填 don't care for 不关心，无视 importance 重要性 即： If we( don't ) ( care ) ( for ) the ( importance ) of the protection for the enxironment,we will have to pay too much.希望能帮到你，祝更上一层楼O(∩_∩)O有不明白的请继续追问(*^__^*)
请叫我大王哦
It is because now we have to pay the price for polluting the environment.pay the price for...付出代价, 英语惯用句
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