1、Manners nowadays in metropolitan cities like London are practically non-existent. ───如今在如伦敦这样的大都市中，礼仪实际上是不存在的。
2、Though the quantity was small (only a few cows, it appears so far) and the health risk said to be non-existent, it raises suspicions.───虽然投放量很少（现在看来只有几头牛）并且不会损害健康，但是这引起了怀疑。
3、My concentration levels were never up to much at the best of times, but modern technology has left them almost non-existent.───我的注意力水平从未在情况最佳时发挥到最好状态，但是现代科技已经让它们几乎消失殆尽了。
4、A series of criteria are put forward, with which whether the dextrous workspace of a manipulator is existent can be deduced.───文中还提出了一系列判定全方位工作空间是否存在的判据，最后给出了计算实例。
5、My self-esteem was non-existent. I felt there was no way for me to be happy.───我没有了自尊，觉得自己无法快乐起来。
6、For those for whom this still remains a little difficult, do not omit the fact that this small o is something that is altogether existent!───若是还是有人搞不清楚，请你们不要忽略这个事实：小客体是全然存在的某件东西！
7、Known here as "shanzhai ji" , or bandit phones, China's gray market handset industry was virtually non-existent just a few years ago.───“山寨机”的生产，在几年前还只是萌芽状态。
8、This policy, they say, is at best confused and at worst non-existent.───他们说这项政策说好听点是混乱不清，说不好听点就是根本不存在。
9、The self is the only knowable existent.───自我是唯一可知的存在物。
existent（英语使用场景）
1、Now all possibilities, as possibilities, are necessarily existent.
2、Science deals with the existent, real, concrete and functional images.
3、Its expressional features and existent style a social psychology.
4、You are outside history, you are non - existent.'
5、The existent condition invariably pleads for itself.
6、Their remedy lay within the range of existent technology.
7、The roads were empty, tourists non existent.
8、Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.
existent（意思翻译）
n.生存，存在；艰难或无聊的生活方式
adj.现存的；生存的
existent（相似词语短语）
1、inexistent───adj.不存在的
2、existing───v.存在；（尤指在困境或贫困中）生活；被发现；（exist的现在分词）；adj.存在的；现行的
3、exigent───adj.迫切的；紧急的；苛求的
4、distent───adj.膨胀的；n.扩张
5、exister───出口
6、existence───n.存在，实在；生存，生活；存在物，实在物
7、existed───生存；存在
8、existents───n.生存，存在；艰难或无聊的生活方式；adj.现存的；生存的
9、coexistent───adj.同时共存的；同时代的
existent（双语使用场景）
1、Manners nowadays in metropolitan cities like London are practically non-existent. ───如今在如伦敦这样的大都市中，礼仪实际上是不存在的。
2、Though the quantity was small (only a few cows, it appears so far) and the health risk said to be non-existent, it raises suspicions.───虽然投放量很少（现在看来只有几头牛）并且不会损害健康，但是这引起了怀疑。
3、My concentration levels were never up to much at the best of times, but modern technology has left them almost non-existent.───我的注意力水平从未在情况最佳时发挥到最好状态，但是现代科技已经让它们几乎消失殆尽了。
4、A series of criteria are put forward, with which whether the dextrous workspace of a manipulator is existent can be deduced.───文中还提出了一系列判定全方位工作空间是否存在的判据，最后给出了计算实例。
5、My self-esteem was non-existent. I felt there was no way for me to be happy.───我没有了自尊，觉得自己无法快乐起来。
6、For those for whom this still remains a little difficult, do not omit the fact that this small o is something that is altogether existent!───若是还是有人搞不清楚，请你们不要忽略这个事实：小客体是全然存在的某件东西！
7、Known here as "shanzhai ji" , or bandit phones, China's gray market handset industry was virtually non-existent just a few years ago.───“山寨机”的生产，在几年前还只是萌芽状态。
8、This policy, they say, is at best confused and at worst non-existent.───他们说这项政策说好听点是混乱不清，说不好听点就是根本不存在。
9、The self is the only knowable existent.───自我是唯一可知的存在物。
existent（英语使用场景）
1、Now all possibilities, as possibilities, are necessarily existent.
2、Science deals with the existent, real, concrete and functional images.
3、Its expressional features and existent style a social psychology.
4、You are outside history, you are non - existent.'
5、The existent condition invariably pleads for itself.
6、Their remedy lay within the range of existent technology.
7、The roads were empty, tourists non existent.
8、Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.
9、The self is the only knowable existent.