Pets are creatures that people keep for spiritual, not economical purposes. Traditional pets refer to mammals or birds, kept for play and companionship. Pets in real life include fish, reptiles, amphibians, insects, and even plants, which are used for viewing, companionship, and relieving people's mental stress. [1] With the development of the times, pets have a wide range, including animals, plants, virtual pets, electronic pets, etc. But the laws of most countries still limit pets to animal...
