The value of it is never know until it is lost

We know "the value of it is seldom known it is lost " ow i w 'We know want is good until we have lost it You won't know the value of the health 连词you lose it.A.until 翻译：The won't know the value of health until you lose it The intrinsic value of a coin is the value of the metal it i It is not until you have lost your health____you know its va We know not what is good until we have lost it sometimes you will never know the true value of moment until You'll never know the worth of water until the well is dry. What is never used until it is broken? It is not the value of the gift that is important I don't know why,but it is exactly the truth.It is never too