網友回答：
to conserve(保存） our natural resources and recycle（再循環） our products. we are sure that we can have a better and cleaner place in the future.環境保護(Environmental Protec，concerned people have made some progress in environmental protection. governments of many
溫馨提醒：隨時光變遷，文中所陳述觀點；準確性、難免有所變動，因此文中觀點僅供參考。
