Eating: In the United States, a fast food is about 1 dollars, in China, the set meal of McDonald's is about 2-3 yuan, and other fast food is about 2 dollars. Fruits and biscuits in supermarkets are basically about 1:3 US dollars.
clothes: American clothes are cheap, generally T-shirts and polo shirts cost 2-4 dollars, while domestic ones cost 1-3 dollars; Shoes cost 5-1 dollars, and domestic shoes cost 3-5 dollars. Clothing is basically the exchange rate ratio
rent: it's not easy to compare. I have been to Boston, and a one-bedroom apartment with a good location costs 2-3 dollars, and it is estimated that it will cost 3-4 yuan in China, such as Beijing.
Travel: Subway buses in the United States generally cost two dollars once. Gasoline is basically the same price as domestic gasoline.
generally speaking, the purchasing power of $1 is about 3 RMB. When I was in the United States, I basically spent $1, a month. If I was in China, I would get about $3,.