大家都搜：
有多大必要
1、necessary skills───必备技能
2、absolutely necessary───绝对必要；不可或缺；不可缺少；必不可少
3、no necessary───没有必要
4、in necessary───必要时
5、necessary───n.必需品；adj.必要的；必需的；必然的；n.(Necessary)（英）内塞瑟里（人名）
6、not necessary───不需要；不必要
7、necessary elements───必要要素
8、if necessary───如果必要的话；如必要的话
9、necessary evil───n.无可避免之灾祸；n.不可避免的灾祸
1、Let me emphasize how necessary it is to abide by the contract.───我要强调，遵守合约是必要的。
2、And you need to ask yourself: how necessary are these things?───这时候你需要问自己：这些事情是必须完成的吗？
3、CE Donald Tsang is going to announce his first Policy Address, how necessary do you think he has to tackle the economic development issues?───特首ZengYinQuan即将要发表佢既第一份施政报告，你认为佢有几需要处理经济发展既问题？
4、This 30 percent difference indicates how disconnected home prices are from rents and how necessary it is for home prices to decline.───这接近30%的变动表明了房屋价格和租金偏离的程度，并且说明房屋价格很有必要进行下调。
5、War may sometimes be a necessary evil. But no matter how necessary, it is always evil, never good.───战争有时可能是必要的坏事，但无论多么必要，总是坏事，绝不是好事。
6、Once again a very authentic example of how necessary grammar is in real-life communication!───语法在日常生活交际中是多么必要啊！以下就是一个绝佳的例子！
7、Canada also has the resources and know-how necessary to adapt technology to a cleaner, greener, less carbon-intensive energy future.───加拿大还拥有必要的资源和专门知识，以便将技术应用于更清洁、更环保和碳密集度更低的能源未来。
8、And you need to ask yourself: how necessary are these things?───你需要问自己：这些事情真的必要么？
1、That the controversial Xiamen PX (paraxylene) Plant was finally removed showed how necessary (and hence, powerful) public involvement could be in such cases.
2、A new survey released this week suggests just how necessary that new era may be.
3、No one saw more clearly than President Herrera how necessary these were to national peace, prosperity, and progress.
4、Experience is beginning to show us how necessary is even modest investment in such programmes.