Cách sử dụng
The word 'mainstay' means something or someone that is very important and necessary for the success or continuation of something. It can be used to describe a person, thing or place that is relied upon heavily for its contribution or support. For example, in a business, a mainstay could be an employee who is always productive and brings in a lot of sales. In a family, the mainstay could be the mother who takes care of everyone and keeps things running smoothly. The word 'mainstay' is commonly used in everyday English and can be used in various situations such as in discussions about politics, sports or personal relationships.