What do you think of the songs by Jay Zhou?这个句子里的定语从句by之前省略了什么

What do you think of what do you think of What do you think of China what do you think of china?谢 What do you think of the man? What do you think of lucky money what do you think of 等于____your____about what do you think of cyber love What do you think of computer games? “what do you think of”等于什么? what do you think of it? what do you think of sitcomes是什么意思 what do you think of =什么? what do you think of the story what do you think of your mother? what do you think of the food what do you think of campus love What do you think of Family Night?