in the sofa 还是 on the sofa?

问题描述:

in the sofa 还是 on the sofa?

on the sofa

是on the sofa

都有可能
in the sofa 强调人或重物深陷入沙发.A fat man is sitting in the sofa.
on the sofa 强调在沙发表面 There is a book on the sofa.