| 1. | What we have to do is avoid the duplication of efforts,
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| 2. | To avoid duplication of effort, I will defer to her opinion.
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| 3. | It is meant merely as a way of avoiding duplication of effort.
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| 4. | There will be a lot of duplication of effort,
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| 5. | I plan to fold some offices, we have some duplication of effort,
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| 6. | The committee is desirous of avoiding duplication of efforts.
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| 7. | Such duplication of effort has two serious negative consequences:
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| 8. | The inter-Allied cryptologic collaboration prevented duplication of effort and facilitated discoveries.
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| 9. | It is true that there is quite a bit of duplication of effort.
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| 10. | Action by both agencies would be a " duplication of effort ."
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