求翻译：1999年和2000年法国电信集团的发展是前所未有的。然而，发展中却潜伏着一场危机：网络泡沫在市场行为中悄然发生、膨胀，最后破灭，结果给世界经济带来了巨大的打击，给一路领先的电信业当头一棒，法国电信集团也难于幸免。回顾这些年该集团公司的国际经营历程，有成功，也有失误。失误则体现在如今的困境中。是什么意思？

1999 and 2000, France Telecom Group's development is unprecedented. However, development was lurking in a crisis: quietly, expansion occurred in the dot-com bubble in the market, last burst, the result brought a great blow to the world economy, to telecom industry leading the way a head-on blow to France Telecom Group is also difficult to survive. Review course of these years the company's international business, success or errors. Mistake is reflected in today's troubled.