If you want to train a border collie to work sheep, you should understand that it's a long term project and put aside any desire for instant gratification and results.
If you want to train a border collie to work sheep, you should understand that it's a long term project and put aside any desire for instant gratification and results.
想训练边境牧羊犬放羊，首先应了解这是一项长期的工程，打消一切对速成的渴望。