"a worthwhile book"
For some people a collection is only worthwhile if the pieces are rare.
出自:Good HousekeepingThe campaign against the disease is achieving worthwhile results.
出自:Veterinary Recordworthwhile的详细讲解:词语用法adj.(形容词)worthwhile也可拼作worth while,两者意思相同,有时还可拼作worth-while,后一种形式只用作定语。词义辨析