He was so good at his job and so confident about his skills that he came to Shanghai to start an AV equipment rental business from scratch.
他非常擅长自己的工作，也对自己的技术很有信心。后来他来到了上海，白手起家，开了自己的公司。
He was so good at his job and so confident about his skills that he came to Shanghai to start an AV equipment rental business from scratch.
他非常擅长自己的工作，也对自己的技术很有信心。后来他来到了上海，白手起家，开了自己的公司。
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