"There's as many as 4,100 adult silver carp per mile here on the middle Illinois River."

VOA: standard.2010.07.20

It doesn't really matter, let's just think of it as being a mile long.

这其实无所谓,就想象成一英里长吧

耶鲁公开课 - 博弈论课程节选

"So they very quickly turn into about 13 tons per mile, and when you look at an eighty mile reach, it's phenomenal how much bio mass is taken up by these Asian Carp."

VOA: standard.2010.07.20