您要查找的是不是：
- I always thought this was modesty but maybe she's hiding the scar of an unnecessary operation for screen-detected DCIS? 也总是想，这是害羞，还是在遮盖筛选探测的DCIS所导致的不必要的手术疤痕？
- Don't involve yourself in unnecessary expense. 勿做不必要的花费。
- All this is totally unnecessary. 所有这些完全都是多余的。
- Don't burden yourself with unnecessary problems. 勿为不必要的问题所累。
- He's mending nicely after his operation. 手术后他正在顺利康复。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- The referee penalized the team for unnecessary roughness. 这个队因行为粗鲁而受到裁判的处罚。
- I'm sorry you've had a wasted (ie unnecessary, fruitless) journey. 很遗憾你白跑了一趟。
- The operation went like clockwork. 手术进行得极为顺利。
- You shouldn't expose the soldiers to unnecessary risks. 你不应该让士兵们冒不必要的危险。
- When does the new law come into operation? 这项新法律何时生效？
- For as much as many knew this, further explanation is unnecessary. 既然很多人知道此事，没有必要作进一步解释了。
- She was keyed up over her impending operation. 她为了即将进行的手术而心中忐忑不安。
- The actual operation lasted eight hours. 实际手术进行了8个钟头。
- The surgeon is performing a delicate operation. 那位外科医生正在做一个很精细的手术。
- Will you prune off the unnecessary adjectives in the passage? 把这段文字中不必要的形容词删去好吗?
- For milder weather, caps and mittens are unnecessary. 天气比较暖和时,没有必要戴帽子和连指手套。
