There are five days for me to travel.

我有五天的旅行时间。

youdao

Fifteen minus five — there are only ten days to go now.

15天刨去5天，只剩下10天了。

《新英汉大辞典》

Then there are the nostalgics, who recall the days of yore, when children walked five miles through five-foot snowdrifts to get to school and played outside until the streetlights came on every night.

因此，有怀旧者回忆往昔，那时孩子们要步行五公里，穿越五英尺厚的雪堆上学，放学后在室外玩到华灯初上。

youdao

In the early days when there are four or five formulas, you could memorize all of them and you can try each one of them until something works, but after a couple of weeks you will have a hundred formulas and you cannot memorize all of them.

刚开始我们只会涉及到四,五个公式,你可以全部记下来,你可以一个一个试,直到解出答案,但过了几个星期,你就已经学了一百多个公式了,你没法全部记下来

耶鲁公开课 - 基础物理课程节选

With only one more trading day to go in the first five days of 2012 today there are reasons to be optimistic.

FORBES: Stocks Set to Post Gain in 2012, History Shows

There are also longer festivals - Royal Ascot and Glorious Goodwood, both of which are five days.

BBC: The big races

In 2013 there was a limited hunting season of only five days in July, but they are still hunted in the north, something Hansen said he opposes.

BBC: Nature��s biggest treasure hunt