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第223页

信息发布者：

to live

didn't leave

are playing

 play an important role

 had better not provide too much help

 learn to keep the balance between study and activities

 how to get rid of her bad habit(s)

 visitors(from) harming/hurting wild animals

 is one of China's most important wetlands

 More and more birds don't have enough cover

 (in order) to make/have/leave more space for farms and buildings