Longterm forecasts were largely a matter of guesswork.
远期预测在很大程度上是一种猜测。
, 
余;,外来;Longterm forecasts were largely a matter of guesswork.
远期预测在很大程度上是一种猜测。
Their price estimates are based on pure guesswork.
他们
估
是猜。
Their conclusions were largely founded on guesswork.
他们结论大部份基于猜测。
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