英文: He was like a diamond in its original shape. A hidden, rough diamond that needed polishing. But that's what I do as a coach; to find the diamond.
英文: for the sale of diamond jewellery: expert wants!
英文: ) - The biggest diamond to be found in 13 years, the Lesotho Promise,was sold on Monday at auction for more than $12 million and is expected to fetch in excess of $20 million once it is cut up.
英文: 11 Taipei is a diamond in the rough.
英文: 1Diamond is composed of carbon.