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to do something without other people
独自做;(离开团体)单飞
He's decided to leave the band and go it alone as a singer.
他已经决定离开乐队，单飞去做一名歌手。
Now that I have enough experience, I've decided to go it alone and start my own business.
既然我已经有足够的经验，我决定一个人开创自己的事业。