Wu says he came up with his bug-finding breakthrough after a series of career disappointments.

Wu说，他是在经历过一系列的事业低谷之后才想到这个漏洞查找方法的突破点的。

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It was a breakthrough concept, made possible by a series of technological breakthroughs including the Internet and social networking.

这是一种突破性的概念，包括互联网和社交网络在内的一系列技术突破使其变成可能。

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Clint got his first breakthrough with the long-running Western TV series Rawhide (1959).

克林特在西部题材的长篇电视连续剧《皮鞭》(1959)中第一次取得了突破。

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Although a series of events allowed for a huge legislative breakthrough in 1964 and 1965, the Southern committee chairs regained power after the 1966 midterm elections and continued to assert their power in the closed rooms of Capitol Hill.

CNN: Gridlock in Congress? Blame the GOP

The five permanent members of the UN Security Council plus Germany have held a series of negotiations over the years - but there has been no breakthrough.

BBC: Natanz uranium enrichment plant

This multifaceted focus on innovation, manufacturing, and markets, bears a striking resemblance to the comprehensive clean economy strategy the Breakthrough Institute has spent much of the past two years advocating through an ongoing series of reports, policy recommendations, Congressional testimony, and writings.

FORBES: With Stimulus Nearing End, Will U.S. Keep Clean Energy Momentum Going?