In a market where there appears to be a surplus, the common mistake is to tack on too many unnecessary requirements.(在一个似乎存在过剩的市场，附加太多不必要的要求是常见的错误。)
We should trim off the unnecessary parts of our spending.(我们应该削减不必要的开销。)
This can create unnecessary delays as you hold meetings trying to achieve consensus.(当你召开会议试图达成一致意见，会造成不必要的延误。)
Teenage boys at this stage often begin to take unnecessary risks.(十几岁的男孩在这个阶段往往开始冒不必要的风险。)
For pants without that crease (and many with it), pleats are unnecessary; for pants that need the pleat, they only need one.(对于没有折痕的裤子（以及许多有折痕的裤子），褶皱是不必要的；需要打褶的裤子只需要一条。)
There could be a serious loss of efficiency through unnecessary duplication of resources.(不必要的资源重复会导致严重的效率损耗。)
This will prevent unnecessary accidents and loss of life.(这将防止不必要的事故和生命的损失。)
The slaughter of whales is unnecessary and inhuman.(对鲸的屠宰是不必要且不人道的。)
A defender of Burke called Wollstonecraft's book an incoherent mass of treacherous candor, interested generosity, and, if not false, at least unnecessary accusation.(伯克的一位辩护者称沃斯通克拉夫特的书是一堆语无伦次的文字，充斥着背信弃义的坦率、兴趣盎然的慷慨，以及即使不是虚假的，至少也是不必要的指责。)
It prompted employees to overcharge for work and to complete unnecessary repairs on a companywide basis.(它促使员工多收工作费，并在全公司范围内完成不必要的维修工作。)
