Think about it, only more than thirty days from the final exam, while only four days away from the monthly exam.

仔细想一想，离期末考试只有三十多天了，而离月考只有四天了。

youdao

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In the last thirty days before the election, Whitaker and Baxter advertised in four hundred newspapers and on five hundred billboards.

NEWYORKER: The Lie Factory