最終更新日：2024/07/28

(idiomatic) Approximate, rough, simplified, especially of a calculation, estimation or other reasoning.

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back-of-the-envelope

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back-of-the-envelope

adj

(idiomatic) Approximate, rough, simplified, especially of a calculation, estimation or other reasoning.

I made a back-of-the-envelope calculation to estimate the cost.

意味（1）

(idiomatic) Approximate, rough, simplified, especially of a calculation, estimation or other reasoning.

Do some back-of-the-envelope calculations before all the facts come in.