Or consider parents deciding how to spend their family income.

或者，考虑父母如何决定家庭收入的开支。

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In other words, a family with an average income will spend their long-term hard-earned savings, or they will be indebted.

换句话说，拥有平均收入的家庭将要在学费上花费更多的金钱，否则，他们将会负债。

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Thus, a conclusion can be drawn that as income increases, people can improve their living step. But still the average family has to spend a large part of income to meet the basic needs.

因此，结论就是，随着收入的增加，人们可以改善自己的生活，但是，每户家庭都不得不花费一大笔开支来满足最基本的需求。

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