你还记得我们那只狗吗? 它上星期生小狗了。
但是因为它们的寿命美元小狗的那么长，所以它们一生的花费也就不会比小狗多多少。
They don't live quite as long, however, so the total cost isn't much more than with a small dog.
小狗狗时是最麻烦的时候，但教好后收益一生啊。
When the dog is the most troublesome, but after all the earnings.
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