I would prefer shopping online to shopping in a department store 请问为什么是to doing?

题目

I would prefer shopping online to shopping in a department store 请问为什么是to doing?

答案

1.prefer doing sth to doing sth
2.prefer A to B (AB皆为名词)
3.prefer to do A(没有比较,只做一件事的就用这个）=would rather do A
4.prefer to doing A rather than doing B