the cow knows not what her tail is worth until she has lost it
Related Translations:
贵: Ⅰ形容词1.(价格高; 价值大) expensive; costly; dear 短语和例子昂贵 very expensive; 这地方东西很贵。 things are expensive here. 这架照相机太贵了。 this camera is too dear.2.(评价高;值得珍视或重视) highly valued; valuable; precious 短语和