求翻译：have tried to develop a patented product for 3 years, and it may have spent $2 million per year on development. In year 4, thefirm是什么意思？

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have tried to develop a patented product for 3 years, and it may have spent $2 million per year on development. In year 4, thefirm

问题补充：

匿名	2013-05-23 12:21:38 3年曾尝试开发专利产品，它可能已在发展中度过了每年2亿美元。在第4年，thefirm

匿名	2013-05-23 12:23:18

匿名	2013-05-23 12:24:58

匿名	2013-05-23 12:26:38

匿名	2013-05-23 12:28:18

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