So why are pedigree dogs so expensive?

那为什证书狗这贵呢？

NARRATOR: A pedigree is proof of a dog's lineage.

叙述者：证书是证明狗缘凭证。

Once you've paid the $10,000 for a pedigree purebred dog, they can be costly to look after.

一旦你花了1万美元购买了一只纯种犬证书，照顾它们也会很。

Breeders will also invest in pedigree pets for sponsorship deals and prize money at international shows, driving their demand and price up even further.

繁殖者还会投资证书宠物以参与赞助协议和国际展会奖金，进一步推了这些宠物需求和价格。

Because it's already adding time to an already time-intensive process, meaning that no one carries around their birth certificate or certificate of Indian blood regularly.

因为这已经给一个来就很耗时过程增加了时间，意思是没有人会随身携带出生证明或印第安证书。