当我们命名一项训练时我们需要做一些准备，以便当狗当儿不服从命令时我们可以做一些事情帮助狗。
When we name an exercise we need to be prepared to do something to help the dog if it doesn't perform the behavior.
当我们命名一项训练时我们需要做一些准备，以便当狗当儿不服从命令时我们可以做一些事情帮助狗。
When we name an exercise we need to be prepared to do something to help the dog if it doesn't perform the behavior.
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