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- By this theory, the effect of pestilence is neglected and the Black Death is recognized as a kind of Necessary event. 在这种理论中，瘟疫作为一种“必然性”的事件，其作用被淡化。
- Former scholars deduce arbitrarily the inevitable aftermath of the Black Death,which is based on certain theory of society and population development. We think that Black Death is not a necessary event,but an emergency. 在黑死病的影响问题上,以往学者在某种社会与人口发展理论的基础上,进行一种必然性的推论,从而忽视了黑死病的爆发具有偶然性的一面。
- It is said in this thesis that we should give the Black Death a specific analysis, as the Black Death is not a Necessary event, but an Emergency, which has affected deeply hi the development of British population. 本文提出，对“灾难性死亡率”要作具体分析，黑死病是“突发事件”而不是必然事件，它对英国人口的发展产生了重大影响。
- Because necessary events are in a "sequential flow" relationship, each action must be completed before the next can be effected. 因为不可避免的事件是在一个“连续流”的关系中，每个行动在影响到下一个之前必须完成。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- He reported on the whole event to the minister. 他把整个事件向部长做了汇报。
- Is it necessary for me to attend the meeting? 我真的必须参加这个会议吗？
- She will make necessary arrangements. 她会作好必要的准备。
- He was the most timorous person in that event. 在那次事件中他是个胆小鬼。
- Certain sign precede certain event. 事情发生，必有先兆。
- It is easy to prophesy after the event. 事后诸葛亮，预言顶便当。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- This event will be covered live by TV. 此事将由电视作现场报道。
- I consider it absolutely necessary. 我认为那绝对必要。
- This girl gave a vivid description of the event. 那女孩对这件事作了一番生动的描述。
- I feel it is absolutely necessary. 我觉得这是绝对必要的。
- I've nothing to say about the event. 我对这次事件没什么可说的。
- It was agreed that another meeting was necessary. 大家一致认为有必要再开一次会。
- The event is worthy of being remembered. 那事件是值得记忆的。
- I think it is necessary to learn science. 我认为学科学是必要的。
