有必要
- na.oblige; be necessary
- 网络be necessary for; It is necessary that; It is essential that.
 有必要
有必要有必要
necessary
有必要(Necessary)没必要(Unnecessary)  很难说(Hard to say)  16. 您认为当今人肉搜索需要改进之处在哪里呢?
                be necessary for
英语介词用法_百度知道 ... be late for 迟到, be necessary for 有必要, be ready for 作好准备, ... 
                It is necessary that
主语从句_互动百科 ... It is a fact that… 事实是…… It is necessary that … 有必要…… It is clear that … 很清楚…… ... 
                It is essential that.
英语经典句... ... It is easy enough to 相当容易 It is essential that... 有必要… It is good manners to do 是有礼貌的表现. ... 
                need
高一英语选择题0820_百度知道 ... 4 A  in the direction 朝。。。方向 6 B  need 有必要 1  A   every few days 每隔几天 ... 
                worth it
求初三内英语短语_百度知道 ... a lot of 许多 worth it 值得化费时间[精力], 值得一干, 有必要 worth while 值得 ... 
                need to
Gossip Girl 绯闻女友 第二季 第十一集... ... breathe: 呼吸 need to: 有必要 yourself: 你亲自 ... 
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