Cách sử dụng
The word "lifeblood" is often used metaphorically to mean the essential or most important element in something. It can refer to the vital force that keeps a person or organization alive, like the blood that circulates through the body bringing oxygen and nutrients, or the key factor that drives success in a particular field, like creativity is the lifeblood of the art world. In a sentence, it might be used like this: "Money is the lifeblood of a business" or "Family is the lifeblood of a community."