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I'm not entirely sure about the time.
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I'm not entirely sure about this answer.
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I'm not entirely sure about the location.
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I'm not entirely sure about his name.
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I'm not entirely sure about the plan.
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I'm not entirely sure about the long-term benefits of this project.
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I'm not entirely sure about the accuracy of these statistics.
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I'm not entirely sure about the feasibility of the proposed solution.
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I'm not entirely sure about the impact of the new regulations.
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I'm not entirely sure about the direction the company is taking.
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I'm not entirely sure about the validity of the underlying assumptions.
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I'm not entirely sure about the ethical ramifications of this research.
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I'm not entirely sure about the sustainability of the current growth model.
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I'm not entirely sure about the reliability of the data sources used in the report.
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I'm not entirely sure about the effectiveness of the proposed intervention strategy.