To set going; initiate:发动；开始： launch a career; launch a business venture.开创一项事业；开始一项冒险事业 To introduce to the public or to a market:推出（新产品）：介绍给大众或市场： ..
But in today's YouTube culture, where everything from reality TV to a MySpace page can launchacareer, it is no longer entirely impractical to think that fame and celebrity is attainable.
He steered Bieber into lucrative deals spanning records, touring, film and fragrances, even helping the teenage crooner launchacareer as a venture capitalist with investments in startups like Spotify and Stamped.