I've done a great deal of work on love and sex, and now have written at least eight books.

我大量研究爱情与性爱，到现在写了至少八本书了。

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Listen, I have seen this person's work in these eight context and it's all been great. You know.

他说，我曾经见过这个人在八种环境下工作，而且工作质量都很高。

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Eight would be great, if that's ok with you.

要是你也方便的话，8点就可以。

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