1. of necessity : 必然地；
2. bow to necessity : 屈服于需要, 做不得不做的事；
名词
1. 必然;必要
The necessity of something is the fact that it must happen or exist.
2. 必需品;必不可少的事物
A necessity is something that you must have in order to live properly or do something.
3. 不可避免的情况(或行动)
A situation or action that is a necessity is necessary and cannot be avoided.
1. anything indispensable
e.g. food and shelter are necessities of life
the essentials of the good life
allow farmers to buy their requirements under favorable conditions
a place where the requisites of water fuel and fodder can be obtained
Synonym: essentialrequirementrequisitenecessary
2. the condition of being essential or indispensable