顶尖业务的英文：
crown jewels

一家企业最有价值的业务单位，因为盈利能力、资产价值、未来前景等各方面都最优秀。

crown是什么意思：
n. 王冠，王国；王位；桂冠；花冠；顶部
v. 为...加冕；形成...顶部；使圆满；敲脑壳

No cross, no crown.
没有磨难，就没有皇冠。

The crown was beset with diamonds and jewels.
皇冠上镶嵌着钻石和珠宝。

The crown is an attribute of kingship.
王冠是王位的象征。

Credit keeps the crown of the causeway.
守信誉的人不怕走在大街中央。

jewels是什么意思：
n. 宝石

The crown was beset with diamonds and jewels.
皇冠上镶嵌着钻石和珠宝。

She was dolled up in jewels.
她打扮得珠光宝气。

jewel case, of precious metal
珠宝首饰匣,贵金属制

jewel bearing manufacturing equipment
宝石轴承生产设备