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今年,我国迎来了第23个全民义务植树日。在当今社会,如何在水泥钢筋的城市中留存大自然赐予人类的田园风光,建设和保护好
This year, our country welcomes the 23rd Day of Mandatory Tree-planting. In today’s society, how to preserve the natural pastures of mankind in the cities of cement and steel to build and protect the countryside