英语笑话:视力训练 Visual Training

The squad were having “visual training”． One smart recruit was asked by the officer to count how many men composed a digging party in a distant field．The party was so faraway that the men appeared as mere dots， but unhesitatinglythe recruit replied： “Sixteen men and a sergeant，sir．” “Right；but how do you know there's a sergeant there？” “He's not doing any digging， sir．”