by necessity造句

1、She is driven by necessity to steal food for her starving children.
环境逼得她为挨饿的儿女偷窃食物。

2、Many people, either by necessity or by choice, don't get as much sleep as researchers recommend.
很多人，或者是生活所迫，或者是自己的决择，并没有像研究者所推崇的那样睡那么多觉(的的确确，包括作者本人)。

3、determined by chance or impulse or whim rather than by necessity or reason.
根据偶然性、冲动或者一时的兴致来决定而不是根据必要性和理智。

4、She was driven by necessity to steal food for her starving children.
她是迫不得已才为她饥饿的孩子们偷食品的。

by necessity翻译