无错误的

Please note that it is perfectly acceptable to have a Pembroke Welsh Corgi that is black and tan with no white, but a Pembroke Welsh Corgi that is black and white with no tan present is a mismark.

请注意它是可接受的完美的PWC,它有黑和褐无白，但是PWC这又黑和白无褐是错误的标记。