necessity - the fact that something must happen or be done; the need for something; a situation that must happen and that cannot be avoided - ความจำเป็น
necessity - the fact that something must happen or be done; the need for something; a situation that must happen and that cannot be avoided - ความจำเป็น
necessity (noun) - a thing that you must have and cannot manage without, e.g., good, clothing - สิ่งจำเป็น