irregular endorser

例句：

1. 1. Thecompany's decision to hire an irregular endorser has raised concerns among investors.
   公司决定雇佣一个不规则背书人，这让投资者们感到担忧。
2. 2. The irregular endorser was a controversial figure in the industry.
   这个不规则背书人是该行业内的一个有争议的人物。
3. 3.The irregular endorser's role in the project was crucial to its success.
   这个不规则背书人在项目中的角色对于项目的成功至关重要。