It is said that Mary memorized a complete book about the Latin language in three days.

VOA: special.2010.06.27

I wanted to tell you about early because I'm going to ask you to do something for three days and then write about that.

我提早通知大家是因为,我会让你们用三天的时间来做这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The nice thing about this place is that you can find an apartment in three days,

令人高兴的是，在这座城市里不出三天就能找到房子，

找房子不难 - SpeakingMax英语口语达人

Three to five days later, the rates were about the same.

VOA: special.2009.11.24

In recent days, Swiss and Iraqi officials have asked about the three Americans on Washington's behalf.

VOA: standard.2009.08.09

That is because out of three days and two nights, the families will only see each other for a total of about 11 hours.

VOA: standard.2009.09.26

The Russian lower house of parliament is now considering legislation that would require protesters using automobiles to inform the authorities about their planned actions three working days in advance.

VOA: standard.2010.05.19