1·By necessity, narratives are constructed from limited data.
不可避免的是，这些描述都是基于有限的数据。
2·Some road trips are by necessity fast and straight.
有些公路旅行是需要快速和直达的。
3·He was forced by necessity to steal a loaf of bread.
他为生活所迫偷了一块面包。
4·Can the choices of a free agent come about by necessity?
一个自由行为者的选择能否必然实现呢？
5·Software financial metrics are often, by necessity, quantitative.
软件金融度量经常(必要的)是定量的。
6·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。
7·The order of these twelve Suggestions is, by necessity, somewhat random.
以下这十二项建议的排列顺序是随机的。
8·Such policies also, by necessity, reduce the prosperity of the society.
此类政策必然也要危及社会的繁荣。
9·The Web server plug-in is, by necessity, a small, portable piece of code.
Web服务器插件必须是一小块可移植的代码。
10·To achieve this aim, the topics are by necessity not structured linearly.
要达到此目标的话，主题必须为非直线式架构。