원문 (영어)

CERTAIN DIVERSITIES OF AMERICAN LIFE By Charles Dudley Warner This is a very interesting age. Within the memory of men not yet come to middle life the time of the trotting horse has been reduced from two minutes forty seconds to two minutes eight and a quarter seconds. During the past fifteen years a universal and wholesome pastime of boys has been developed into a great national industry, thoroughly organized and almost altogether relegated to professional hands, no longer the exerci