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a cowboy named bud was looking after his herd in a mountain in alberta when suddenly a bmw moved forward towards him. the driver, a young man in a suit, sunglasses and a tie, leaned (靠着) out of the window and asked the cowboy, “if i tell you exactly how many cows and calves (小牛) you have in your herd, will you give me a calf?”
bud looked at the man, then looked at his herd and calmly answered, “sure, why not?”
the man parked his car, took out his computer and surfed a nasa (美国航空及太空总署) page, where he called up a gps (全球定
