off the top of my head 是什么意思_off the top of my head 怎么读_off the top of my head 例句

中文释义

不假思索地

Off the top of my head, I'd say the cost is around $500.

Off the top of my head, I can think of at least three alternative solutions.

想高效记住 off the top of my head 和更多单词？

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