a step up in the big business world什么意思?

a step up in the big business world什么意思? 求翻译：A set up in the big business world. "I'm a big big girl in the big big world."这首歌叫什么名字? I am a big girl in the big world.的原名叫什么? start-up business什么意思? I am a big big girl in a big big world这词的歌曲名叫什么啊? In order to be a success in the American business world,you In order to be a success in the American business world, you 英语翻译Big big world 歌手：Emilla I'm a big big girl in a big big nothing in the world什么意思 英语翻译a good many women in the business world are uncertain ab in step ,out of step 分别什么意思?例句,谢谢