比较级加more,如This book is more expensive than that book.这本书比那本书贵.
最高级加most,如This book is the most expensive in this shop.这本书是这个书店里最贵的.
比较级加more,如This book is more expensive than that book.这本书比那本书贵.
最高级加most,如This book is the most expensive in this shop.这本书是这个书店里最贵的.