Cách sử dụng
The expression "prop up" means to support or hold up something that may be weak or unstable. It can be used in various situations, such as using a pillow to prop up a person's head while they are sleeping, propping up a ladder against a wall to make it stable, or propping up a failing business with financial assistance. Essentially, it involves providing additional support to something that needs it in order to prevent it from falling or failing.