environmental cost的用法和样例：
例句
- Doucet says no people live in the valley and whatever the environmental costs, these would be offset by the benefits of the project.
世界能源理事会的杜斯特秘书长说，这个山谷中没有居民，而且无论这项工程的环境成本有多高，都能被工程的益处所抵消。 - Liu urges governments to publicise the hitherto unanticipated environmental costs of divorce, and couples to consider the potential impacts of a divorce before going ahead.
刘建国敦促政府公开人们迄今未曾料到的离婚造成的环境成本增加，并力劝夫妻们考虑好离婚可能造成的影响再做决定。
