On the cover of date book, print to 《investigate 》 the exclusive sign of magazine.

记事本的封面上，印着《探索》杂志的独家标志。

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Every one of the staff must sign the time-book.

每个职员必须在工作时间记录簿上签名。

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Every one of the staff must sign the time-book.

每个职员必须在工作时间记录簿上签名。

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