wilful inflation of prices

例句：

1. 1. She is very wiful andalways does what she wants to do.
   她非常任性，总是想做就做。
2. 2. Thechild was very wiful and refused tolisten to his parents.
   这个孩子非常任性，拒绝听从他的父母。
3. 3. Heis a wiful personwho always insists on doingthings his own way.
   他是一个任性的人，总是坚持按照自己的方式做事。