YSK: There are websites that can assess true and fake reviews when purchasing a product on Amazon. Use a site such as ReviewMeta.com to assess whether the product reviews are fake or real.
from /r/YouShouldKnow
YSK：在亚马逊购买产品时，有一些网站可以评估真假评论。使用ReviewMeta.com这样的网站来评估产品评论是假的还是真的。