.A letter to Residents from * New CommunityDear residents,*community belongs to * and is a large international residental community of best eco-enviroment and rich cultural atmosphere. *s residents are from all over the world and as one of them, have you ever thought of doing something to protect the ecological environment? Actually, it is very simple. If you can throw the rubbish into different bins by classifying it into wet and dry, in that way, you have just maken yours contributi