diamond in the rough

常見例句

The corporate giant Alrosa, which owns Russia's diamond monopoly, is based in the region and accounts for 20 per cent of the world's supply of rough diamonds.
大公司阿遼沙壟斷了俄羅斯的鉆石生產(chǎn)，公司本部就在此地，該公司的粗鉆產(chǎn)量占全世界產(chǎn)量的20%。
Debswana normally supplies almost a quarter of the world’s rough diamonds annually but sold no stones in November and few in the months since. (Photo: AP Photo / Obed Zilwa)
Debswana這個(gè)在平時(shí)在平時(shí)每年出產(chǎn)的未加工鉆石量占世界的四分之一的公司，11月的時(shí)候沒有賣出一顆鉆石，之前的幾個(gè)月也賣得很少。
Letseng is one of the most productive mines in history -- four of the world's 20 largest rough diamonds have been found at the mine, including the three largest found this century.
萊特森礦是歷史上產(chǎn)量最高的鉆石礦之一。目前全球20顆最大的原鉆中有四顆產(chǎn)自這里，其中有三顆發(fā)現(xiàn)于本世紀(jì)。

Detroit Piston scout Will Robinson, who found future All-Stars Joe Dumars and Dennis Rodman when they were diamonds in the rough.
FORBES: NBA Draft 2012: Of Darko, Greg Oden and the Scariest Moment in Professional Sports
In an article that hit TheStreet Monday, I made a case against low-priced stocks, noting that potential diamonds in the rough exist.
FORBES: Wendy's May Be the Next Big Turnaround Story
Neither school is known for being football factories, and as such, significant credit must be paid to the Ravens and 49ers staffs for finding these diamonds in the rough.
FORBES: Colin Kaepernick, Joe Flacco, and Financial Returns from Super Bowl XLVII Glory