Two men are approaching each other on a sidewalk. Both are dragging their right foot as they walk.

兩個人在人行道上分別拖著自己的右腿,相向而行。

As they meet, one man looks at the other knowingly, points to his foot and says, Vietnam, 1969."

他們相遇了,一個人理解地看著另一個人,指著自己的腿說:“1969年,越南?!?/div>

The other points his thumb behind him and says, "Dog crap, 20 feet back."

另一個人豎起了大拇指,說“再走20英尺,狗屎。”