In our society, everything has its cost. 在我们的社会里，一切都是有成本的.

　　What is the cost? 什么是成本？

　　A cost is something you have to give up in order to get another thing. 成本是你为了得到另一件东西而不得不放弃的东西。

　　Usually when people talk about a cost, they mean money, time or labor. 通常人们谈论成本时，指的是金钱、时间或劳动力。

　　For example, to get an education, you should spend a lot of money and time. 例如，为了获得教育，你应该花很多金钱和时间。

　　If the cost is too high, people decide not to pay the cost. 如果成本太高，人们决定不去支付它。

　　You have to consider the costs before making any financial decisions. 在做出任何财务决定之前，你必须考虑成本。

　　If you could buy a bicycle instead of one hundred comic books, what would you buy? 如果你能买一辆自行车或100本漫画书，你会买什么？