C550 Is there a mistake

I said in astonishment, "It can't be?" Is there a mistake?! "

"There's no mistake!"

I asked, "Did you not use it properly? I'll have our company's technicians check it out. "

Director Hu shouted, "I just took it and used it when it short circuited. No wonder you couldn't guarantee a big failure. Hurry up and settle this matter with me, otherwise I'll let the chairman and the others know! Hehe