想了想还是不发好了

"There is very little evidence to suggest hosting the Olympics provides much of an economic benefit," said Victor Matheson, a professor of economics at College of the Holy Cross.
The two most recent Summer Games had drastically different outcomes. The Olympics in Beijing in 2008 were widely considered a success, mainly because it helped the nation show the world how much it had emerged as an economic power.
"Beijing did it as an advertisement. They got tremendous value, because they didn't care about the cost. It was like buying a ton of television ads," said Mark Rosentraub, a professor of sports management at the University of Michigan.
先上原版

求解

@翻译帝

办奥运并对一个国家的经济并没什么帮助
北京奥运只是对自身的一个宣传，巨额广告。因为他们（中国）并没有在意办奥运会的费用