Let' s trade!Will you take a piece of cake for an apple?A go

Let' s trade!Will you take a piece of cake for an apple?A good book for a game?A toy boat for a
Let’s trade (贸易)!Will you take a piece of cake for an apple?A good book for a game?A toy boat for a car?
x05Long ago,people had to get what they wanted by trading.Some people farmed the land.Other people made
tools.Tools (工具) were traded for food.
All kinds of trading took place.If a man had too much meat,he could trade it for corn (玉米).He could trade animal skins for tools.Sometimes men traded a day’s work for a place to sleep.
Many useful things were traded.But people want pretty things,too.A farmer might trade milk for a piece of beautiful cloth.
Even today we trade with one another.When you buy a candy,do you pay for it with toy bear?Of course not!You use money.But you are still trading.You are still giving one thing for another.
中文意思,急,