Nodding often means you say "yes".

点头常常意味着你表示同意。

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While active words demand constant practice and useful words must be committed to memory, words that do not often occur in everyday situations require just a nodding acquaintance.

积极词汇需要经常练习，有用的词汇必须牢记，而在日常情况下不常出现的次只需要见到时认识即可。

youdao

They talked for several minutes, Frederick smiling broadly and nodding his head vigorously every so often.

他们交谈了几分钟，弗雷德里克偶尔笑一笑并用力点头。

youdao

On first read, the statement, along with his others on the future of TV, including traditional TV has too many ads and those ads are often ineffective, will have you nodding your head in agreement.

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