By the time a child is toilet trained, a parent will change between 5, 000 and 8, 000 diapers, adding up to approximately 3.5 million tons of waste in U.S. landfills each year.

一个小孩从出生到学会上厕所，其父母要为TA换5000到8000次尿布。每年美国的垃圾堆要因此增加大约350万吨。

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The General Accountability Office recently found that the number of concealed weapon permits in America has surged to approximately 8 million.

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So far this year, NBA 2K12 has sold approximately 2.8 million copies worldwide according to VGChartz.com.

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Doodle Jump has approximately 8.5 million users, according to Lima Sky.

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