This study is of great benefit to protect natural resources and the environment.
该项研究有利于保护国家资源，保护自然环境。
Natural resources science, environment science and ecology are the disciplines at same level.
资源学、环境学、生态学是同一层次的学科。
A. It is a waste of natural resources and is very bad for the environment.
这是对自然资源的浪费并且对环境非常有害。
A. It is a waste of natural resources and is very bad for the environment.
这是对自然资源的浪费并且对环境非常有害。
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