He sold the rocks as "hassle-free" pets, complete with a pet training manual and a card board box fashioned after a pet carrier.

他把这些石头当作“没有麻烦”的宠物来销售，并附上宠物培训手册和纸箱做成的宠物盒。

youdao

Pet training - a surprising number of people don't know where to start in training a pet.

宠物训练——不懂该如何开始训练宠物的人出奇的多。

youdao

Pet training - a surprising number of people don't know where to start in training a pet.

宠物训练——不懂该如何开始训练宠物的人出奇的多。

youdao