theorise

While economists are free to theorise, company chairmen are concerned with actualities.

经济学家们可自由创建理论，公司总裁们则关心现实情况。

柯林斯例句

We can theorise, but we do not actually know.

我们仅仅可以做出理论假设, 实际情况我们并不知道.

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