简而言之，高朋网依旧是在线折扣网站的龙头老大。

In short, Groupon is still the king of online discounts.

今年越南应该能赶上东南亚的龙头老大，达到大约6.5%的增长。

This year Vietnam should keep up with the leaders in south-east Asia, at about 6.5% growth.

有超过400栋楼宇的上海自称在摩天大楼方面是全球龙头老大。

With more than 400 towering buildings, Shanghai claims to be a global leader in skyscraper construction.

尽管没有完成预期的目标，但较于去年同期相比，该行业的龙头老大FirstSolar第三季度的利润实际是从9900万美元增长到一亿五千三百万美元。

Industry leader First Solar's profits for the third quarter actually increased to $153 million from $99 million in the same quarter a year earlier, despite missing its targets.

潘婷作为洗发水类中的龙头老大，旗下就有14种以不同功效为主题的系列，总共113种产品。不难看出洗发水的货架上挤满了不同洗发水产品，让人不知从何下手。

When Pantene, the shampoo category leader, offers 113 products in 14 different benefit-themed lines, it's easy to see how the shelves have become so crowded—and confusing.