As we all know, building an operational CAT system requires many years' training in advanced programming.

众所周知，搭建一套可实际应用的计算机自适应测验，要求多年的计算机编程训练。

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Thankfully, litter training a cat is much easier than house breaking a dog, so this isn't something that will take a long time to accomplish.

庆幸的是，训练猫用猫砂要比训练一只狗不在家里四处乱闯容易得多。所以这件事并不会花掉你太多时间。

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Computer Aided Training (CAT) system, because its economic, efficient and flexible, is attracting more and more attention.

计算机辅助训练(CAT)系统由于它的经济、有效、灵活，正日益受到人们的重视。

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If your dog walks you instead of vice versa, or if she decides that your bed is her personal playpen, check out the plethora of articles from the Perfect Paws Dog and Cat Behavior and Training Center to help you solve and overcome a wide assortment of common behavior problems.

CNN: Site-Seer: Fetching an obedient dog from the Web