necessity是什麼意思

This is, of necessity, a brief and incomplete account.

這必然是一份簡略的、不完全的'描述。

We recognize the necessity for a written agreement.

我們認為有必要簽訂一份書面協議。

We were discussing the necessity of employing more staff.

我們在討論是否需要僱用更多員工。

Air-conditioning is an absolute necessity in this climate.

這樣的氣候絕對需要有空調。

Water is a basic necessity of life.

生命離不開水。