So if we combine effectiveness and efficiency, we get productivity.

因此，如果我们将效益和效率结合，我们就能得到成效。

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The risks lie in the effectiveness and efficiency of such a spending spree.

风险在于这种挥霍的效力与效率。

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Managing these aspects of the script enhances your testing effectiveness and efficiency.

管理脚本的这些方面可以增强您测试的有效性和效率。

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Once upon a time in industry and government, bigness was synonymous with effectiveness and efficiency.

FORBES: Fact and Comment

Brussels is especially concerned about the effectiveness and efficiency of much of Italian public spending.

ECONOMIST: Italy��s troubled economy

"TSA has strict requirements that all vendors must meet for security effectiveness and efficiency, " the agency said in a statement.

BBC: TSA to phase out Rapiscan 'naked scanners'