learning by doing 怎么讲?怎么用?

learning by doing 怎么讲?怎么用? learning by doing 学以致用可不可以用Learning by doing 这个英文翻译么? enjoy learning 怎么读 learning怎么读 I'm doing to Japan by air.怎么改 it does not do A by doing B怎么翻译 learning by forget doing sth怎么用 用英语怎么讲 @用汉语怎么讲 用英文怎么讲