When choosing dogs, you have to see if their ears are clean. If there are a lot of stolen goods with bloodshot eyes, don't pick them. It may be unhealthy to suffer from diseases such as otitis media and poor hearing.
3. Look at your eyes again to see if you have a feeling of spirit. It's not that kind of dull eyes, white and bright, not that kind of bloodshot, and it's unhealthy.
4, the nose is also very important, if it is the kind of old runny nose, or it is very dry and not good, to pick the kind that is slightly moist, you can smell it and see if it reacts.
5, it depends on the soles of the feet. It should be thick and slightly dry. Don't pick the kind that is cracked and particularly dry. It may be unhealthy. The hair should be neat, bright and comfortable to touch. Don't pick the kind that is messy and yellow. If the boss says this is normal, just go back and take a shower, don't believe it. In order to make money,