Sniffing out drugs amidst the numerous odors of perfume, coffee, beef jerky, tea leaves, soap and so forth is not only difficult; it often simply bores the dog. What makes the dog even less interested is that the drug, once discovered, is of no use to it whatsoever.
在香水、咖啡、牛肉乾、茶葉、香皂等眾多氣味中找尋毒品，這工作不僅困難，常令狗兒感到厭煩，更讓狗兒沒趣的是，找出來的毒品對它「毫無用處」。