1, sales staff need to face customers and sell products, which is suitable for people who like challenges, have sales talent and are passionate about their work. Librarians are mainly responsible for the management of book inventory, and need to ensure the storage, classification and sorting of books, as well as the accuracy and safety of inventory, so the work is rather boring.

2. Salespeople have performed well in sales and have the opportunity to be promoted to store manager or management position. Librarians have fewer opportunities for promotion. Compared with the two, the prospects of salespeople are better.