Answer: 1. Please don't dry your personal clothes on the balcony. If other clothes need to be dried, the hanging height should not exceed the balcony fence. 2. Don't talk loudly and spit in public places, in groups of three or five; Don't walk in twos and threes. Don't stay in front of other people's houses for too long, and don't spy on neighbors. 4. Don't touch children casually. Americans think this is very impolite. Even their dogs don't like what they touch or feed casually, which will cause dissatisfaction among Americans. 5, children or babies should not enter the gym, the equipment is dangerous; Access to swimming pools or hot springs should be accompanied by a guardian. 6. Beating and scolding children, going out shopping or other activities are not allowed to leave children alone in the car, which is illegal in the United States.

Washington, DC, USA. Located in central North America, it borders Canada in the north, the Gulf of Mexico in the south, the Pacific Ocean in the west and the Atlantic Ocean in the east. Most areas have a continental climate, while the south has a subtropical climate. The terrain is generally high in the west and low in the east, rich in natural resources, and the total proven reserves of mineral resources rank first in the world.