It should include a beginning and an end.

它应该包含有一个开始和一个结尾。

youdao

I know that the cycle of life has a beginning and an end.

我知道生命的轮回既然开始终会结束。

youdao

Once something has a beginning and an end, it’s a lot easier to start seeing the middle.

一旦事情有了开始和结束，中间过程就容易了。

youdao

We assume that unless we're dealing with Scheherazade, it has to have an end, but at the same time we might well ask ourselves, why does it have a middle? What is the function of the middle with respect to a beginning and an end?

而且我们认定一定会有结尾，除非讲故事的是那个，《天方夜谭》中的苏丹新娘，但是我们要问自己了，为什么故事一定要有经过呢？,故事的经过对于开头结尾来说起到什么作用呢？

耶鲁公开课 - 文学理论导论课程节选

Anything is unnarratable if we don't have a sense of a beginning, a middle, and an end to bring to bear on it.

如果我们不仔细都不会注意到它有开头，经过和结果。

耶鲁公开课 - 文学理论导论课程节选

The proper way to draw a vector is to draw an arrow that's got a beginning and it's got an end.

画矢量的正确方法是,画一个有起点和终点的箭头

耶鲁公开课 - 基础物理课程节选

Each gene has a beginning and an end, and determining where those are takes a lot of skill and experimentation.

FORBES: What If They Treated Gene Patents Like Nautical Charts?

The 50th Reunion Tour was designed to be a set tour with a beginning and an end to mark a special 50-year milestone for the band.

CNN: By Denise Quan,

No longer easy on the eyes, but these wrinkles masterfully disguise The youthful boy below, who turned your way and saw Something he was not looking for, both a beginning and an end.

NPR: Part Two: Death Cab Rocks 'BPP' Jukebox