"We need a fourth for poker," said the friend.
同事说：“我们想玩牌，可是三缺一。”
The three form an organic whole, and not one of them can be dispensed with.
这是三位一体的方针，三者不可缺一。
The Flaw of 3PE Coating by Multi-analysis (1): the Coating Warping Flaw End of Steel Pipe
全面分析管道三层PE防腐层缺陷(一):翘边缺陷
The job in question is available for three months only
所谈到的这一工作空缺为时仅三个月
The job in question is available for three month only.
所谈到的这一工作空缺为时仅三个月。
A target tracking algorithm for three satellites constellation TDOA location system when the data is incomplete
一种数据残缺时的三星时差定位目标跟踪算法
Research on Defects of "Trinity" Principle from Revised Draft of "Regulation on Work-related Injury Insurances"
从《工伤保险条例》修订案析“三位一体”的缺失
Without each and every one of these Three Great Policies, the Three People's Principles become either false or incomplete in the new period.
没有三大政策，或三大政策缺一，在新时期中，就都是伪三民主义，或半三民主义。
A new report says one-third of all people in the world face some form of water shortage.
一份新的报告说,在世界上有三分之一的人各种形式的缺水。
Exercising macro-economic control, invigorating enterprises and enlivening markets form an organic whole, and none of them can be dispensed with
宏观调节与搞活企业、搞活市场三者是统一的,缺一不可。
And further develops a Generalist & Specialist Advertising Educational Model, that is TRC model which is the short form of Teach、 Research and Consultancy.
对于广告教师来说,应该是集“教学-研究-咨询”于一身的三栖动物,三者缺一不可。
But on second thoughts he decided that it would have been wrong to sell three vigorous camels to the knickers.
可是，继而一想，把三只活活的牲口卖给汤锅去挨刀，有点缺德；
Of these options, the Antia-Buch chondrocutaneous advancement flap is adequate for small helical rim defects.
文献上，对于外耳轮廓上三分之一的缺损，有数种方法被提出来。
In calling for the reunification of China on the basis of the ``Three People's Principles'', the Taiwan authorities, to say the least, lack a sense of reality.
台湾当局提出要以“三民主义”统一中国，至少是太缺乏现实感了。
But the struggle must be waged on just grounds, to our advantage, and with restraint; if any of the three is lacking, we shall suffer setbacks.
但是斗争必须是有理、有利、有节的，三者缺一，就要吃亏。
Institutional Arrangement and Agriculture, Rural Areas and Farmers;
“三农”问题中的制度缺陷及框正——基于制度伦理视角的一种解释
We have three post vacants.
我们有三个工作空缺。
Three boys of the class were absent because of illness.
班上三个孩子因病缺席。