Weather prediction has never been a perfect science.

天气预报从来都不是一门准确无误的科学。

《柯林斯英汉双解大词典》

They assume that there is some possibility of predicting the consequences of strategic choices (for example, predictions abased on structural market analysis), but no prediction can be perfect.

他们假定存在一些预测战略选择结果的可能性(例如，基于结构化市场分析的预测)，但没有哪种预测是完美的。

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Though the fit between the data and the prediction is not perfect (an example is illustrated right), the match is close enough that Dr Johnson thinks he is onto something.

虽然实际数据和预测数据的吻合算不上完美(如图所示)，但吻合程度已经足够让Johnson博士认为自己有所发现。

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Mr. Guillemot is in the perfect position to make that prediction.

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But the National Weather Service prediction proved almost perfect.

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The sky is still a perfect cloudless blue and the forecasters have dropped their previous prediction of rain by the weekend.

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