thebook與thisbook的區別:
1、the是定冠詞,可以代替this/that/these/those
eg:eg. the book=this/that book the books=these /those books
2、the+不可數名詞(the water)(this不行)
this是代詞,有這些的意思,而the,表示特指
eg:the red paper book is you,but this blue book is not yours