The Magic of Trade

167 词 · 难度 1/5 · 类型 academic

Trade is when people buy and sell things. Long ago, a man named Adam Smith wrote about trade. He said trade is good for everyone. When countries trade, they can get things they need. For example, one country has many apples. Another country has many oranges. They can trade. Then both countries have apples and oranges. This is called comparative advantage. It means each country makes what it is good at. Then they trade. This idea changed the world. Many countries started to trade more. People got more food and clothes. Trade also helps people learn new ideas. Today, trade is very important. Many things we use come from other countries. Without trade, life would be harder. So trade is like magic. It makes everyone better off. Do you like trade? I think trade is great!