guesswork
noun [ U ] uk/ˈɡes.wɜːk/ us/ˈɡes.wɝːk/
猜测，推测，猜想
the process of making a guess when you do not know all the facts
The projected sales figures are pure guesswork on our part. 这些预计的销售数字仅仅是我们一方的推测。
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