Reader question:
What does the expression "you do the math" mean? What math? Give examples.
My comments:
"You do the math" is a colloquial expression that usually comes at the end of an argument as emphasis, emphasizing on an advantage or disadvantage of a point.
Usually, a string of figures are given before you're asked to "do the math", that is, to do your own calculations and reach the conclusion that has just been suggested.
Sometimes no real arithmetic is involved. For example, 20 years ago, the majority of Chinese students in America chose to stay after completing their academic studies. Nowadays, most of them come back. Why is that? The reason is obvious. Two decades ago, people stayed in America to achieve an American Dream embodied by a car and a house of their own. Now, that (part of the) American Dream is just as easy of accomplishment here in China, if not easier. Plus, the home country gives the extra comfort of, well, being home – they don't have to feel homesick all the time. Chinese being Chinese, spiritually they are always close to their roots. You do the math – Little wonder those students are turning homeward en masse.
Here are a few media examples:
1. Vista Sales – You Do the Math
Despite Gates bragging, Vista sales still don't add up to 50 percent of all the new PCs sold in 2007.
- internetnews.com, January 8, 2008.
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