But training dogs is probably not the best solution.It takes time and needs special skills, so mass-producing sniffer dogs would be hard.

 
  • 但是训练“会看病的狗”似乎并不是最好的方法,因为这需要花费大量的时间和专门的训练技术,所以大批量的生产会看病的狗极其困难。
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