Devote sth to doing 当中的to doing 作什么成分

Devote sth to doing 当中的to doing 作什么成分 英语不错的来一下扒be devote to doing sth/devote oneself to doing sth/ devote to doing sth 还是devote to do sth devote oneself to sth / doing sth specialize in sth / doing devote to 和be devote to是不是用法都一样的,都是to doing sth? devote to do还是devote to doing? devote to (something),something改成doing sth可以么? prefer doing to doing sth什么意思 请问"一生致力于"是devote one's life to doing sth还是devote one's life look farward to devote oneself to doing devote oneself后面加什么to do 还doing i like doing sth.中doing做的什么成分?