WWF officials note that Earth Hour isn't meant to have a significant energy savings, but to make a statement.
世界野生动物基金会官方人员特别指出“地球一小时”并不只是意味着一次重大的能源节省，而是一次声明。
WWF officials note that Earth Hour isn't meant to have a significant energy savings, but to make a statement.
世界野生动物基金会官方人员特别指出“地球一小时”并不只是意味着一次重大的能源节省，而是一次声明。
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