暗黑办公桌背景大图封面简约扁平化红黑商务工作总结PPT模板.pptx

Business Report

2017

The concepts national income and national product have roughly the same value and can be used interchangeably

if our interest is in their sum total which is measured as the market value of the total output of goods and services of an

economy in a given period, usually a year.

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输入标题内容

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INDEX

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