"I know you aren't worried about typos on the forms, but the devil's in the ...... These mistakes can cost our customers a lot of money," the boss told the customer service team. (*) errors (*) works (*) system (*) details
This is a companion discussion topic for the original entry at https://english.best/questions/11799,i-know-you-arent-worried-about-typos-on-the-forms-but-the-devils-in-the-___-these-mistakes-can-cost-our-customers-a-lot-of-money-the-boss-told-the-customer-service-team/