The former is to meet the psychological needs of customers, and the latter is to have basic medical knowledge, such as first aid methods for customers to choke after eating
The former is to meet the psychological needs of customers, and the latter is to have basic medical knowledge, such as first aid methods for customers choking on food<br>
The former is to meet the psychological needs of customers, the latter is to have basic medical knowledge, such as: customers eat to the first aid method