And when you work out the math, they say it doesn't work, but the principle is there; it's about being sustainable and taking care of yourself.
계산을 맞춰보면 사실 별로 타산은 맞지 않습니다만 근본적인 원칙은 지속가능한 것과 자기 자신을 돌본다는 것이죠.