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We need to make precise estimate beforehand.
我们需要事先作出准确的估计。
youdao
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Therefore, it is not possible to make a precise estimate.
因此，它不可能做出精确的估计。
youdao
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This estimate is not very precise.
这种估算不是很精确。
youdao
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This estimate is not very precise.
这种估算不是很精确。
youdao