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。
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。
Doucet says no people live in the valley and whatever the environmental costs, these would be offset by the benefits of the project.
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