300-120=180 8000/180=500 (转载)# Joke - 肚皮舞运动
N*n
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The drop is a dramatic reminder of the brutality with which the recession
cut demand for coal, lumber and other goods that make up the backbone of the
economy.
The nation's railroads had their worst year in decades in 2009, a dramatic
reminder of the brutality with which the recession damped demand for coal,
lumber and other goods that make up the backbone of the economy.
Freight trains carried 20% less cargo last year than in 2008, according to a
report by the Assn. of American Railroads, and t
cut demand for coal, lumber and other goods that make up the backbone of the
economy.
The nation's railroads had their worst year in decades in 2009, a dramatic
reminder of the brutality with which the recession damped demand for coal,
lumber and other goods that make up the backbone of the economy.
Freight trains carried 20% less cargo last year than in 2008, according to a
report by the Assn. of American Railroads, and t
