The first step to change the economic condition is to improve the fragile ecological environment.
要改变陕北经济落后的现状,首先要改变陕北脆弱的生态环境。
There is good condition to develop ecological tourism in nature reserve.
自然保护区开展生态旅游具有良好的条件。
There is good condition to develop ecological tourism in nature reserve.
自然保护区开展生态旅游具有良好的条件。
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