Well , why didn't you tell me this before we decided forego R & amp; D.

为什么不在我们决定超过R & amp; D公司之前告诉我这件事.

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Cooperation R & amp ; D network has become the important fountain and means for high - tech to acquire innovation knowledge.

协作R & amp; D网络是 高新技术 企业获取创新知识的重要源泉与途径.

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I learn with regret of the failure of messrs. P. R . & amp co.

听说P. R. 公司破产,甚为遗憾.

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The company spent millions on r & amp; d.

公司花费数百万元用于研究与发展.

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Keep the records of R & amp ; D output.

保持设计和开发输出的记录.

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