最大的新问题之一来自于“专利钓饵者”—这行律师专事起诉那些侵犯了某项“虚设专利”的公司；

One of the biggest new problems comes from “patent trolls”—lawyers who bring cases against companies for violating this or that trumped-up patent.

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“商业史上充斥着大量罗马蜡烛'公司，它们的壕沟形同虚设，很快就被对手越过。”他在2007年股东信中写道。

"Business history is filled with" Roman Candles ", companies whose moats proved illusory and were soon crossed, "he added in 2007.

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