Doyouknowthereisaspe的精選

問題詳情：Doyouknowthereisaspecial(特別的)job?Theworkerisnotamanbutadog.They’reakindofdogs.Theyareliketheeyesofblind(盲的)people.Sowecallthem“seeingeyedogs”.  Thesedogsusuallyneedtolearnfortwoorthr...