We were discussing the necessity of employing more staff.

...food, fuel and other daily necessities.

食物、燃料和其他日常必需品

Taxes are a regrettable necessity.

税收虽不怎么受欢迎，却也是必要之举。

You must understand the necessity of education.

你必须懂得教育的必要性.

Living in London, he felt, was an unfortunate necessity.

他觉得在伦敦生活是迫于无奈。

Necessity caused me to come.

我不得不来.

As soon as the necessity for action is over the troops must be withdrawn...

一旦军事行动的必要性不复存在，军队就必须撤出。

Water is a basic necessity of life.

生命离不开水。

Many of the jobs are, of necessity, temporary.

有许多工作岗位势必是临时性的。

We must all, of necessity , die sooner or later.

我们大家迟早都会死.

the neck of a bottle

瓶颈

...the low, ruffled neck of her blouse...

她的打褶低胸的衬衫领口

She craned (= stretched) her neck to get a better view.

她伸长了脖子，想看得清楚一点。

He tied a scarf around his neck.

他脖子上围着围巾。

It's a legacy which will hang around the country's neck for some time to come.

这项遗留问题在未来的一段时间内仍将困扰这个国家。

Somebody's going to break their neck (= injure themselves) on these steps.

会有人在这台阶上摔伤的。

What neck size do you take?

你穿多大的衣领？

The party is running neck-and-neck with Labour.

该党和工党目前是旗鼓相当。

He had enough friends in the right places to save his neck and cover up for him...

他有很多朋友能保全他，帮他打掩护。

...cancer of the neck of the womb.

宫颈癌

He broke his neck in the fall.

他摔断了脖子。