来自刘秀兰的问题
【trainersaren'takindofsportsshoes改错】
trainersaren'takindofsportsshoes改错


【trainersaren'takindofsportsshoes改错】
trainersaren'takindofsportsshoes改错
trainerisn'tkindofsportshoes
trainer是便鞋,跑鞋的意思,是个全称,复数的时候是别的意思,sportshoes固定搭配.