What should we do to protect the environment?
我们应该做些什么来保护环境？
What should we do to protect the coral reefs communities and surrounding ecological environment?
我们应当做什么来保护珊瑚礁和周围的生态环境？
What should we do to protect the coral reefs communities and surrounding ecological environment?
我们应当做什么来保护珊瑚礁和周围的生态环境？
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