prefer to do 是表示喜欢做某事腔斗橡，就相当于like
prefer doing to doing 这是一个固定搭配，它伍旁表示喜销唯欢前者而不喜欢后者，是一个选择关系。
诸如此类表选择的还有：
1.prefer to do rather than do.
2.would rather do than do.
prefer to do sth是衫空表示喜欢做某行塌缺事
prefer doing to doing 是表示比起后一件事更喜欢前面一件事
prefer to do rather than do sth也是表示更喜欢做前面档辩的一件事
prefer to do 是直高镇春旅伍接跟句子的，如i prefer to play the computer\
prefer doing 只两个东西戚耐比较 如 i prefer playing computer to drawing pictures