名词
中文翻译：无效性
同义词：
['inefficiency', 'inadequacy', 'incapacity']
例句：
-
1.The new policy has been found to be ineffective in improving the economy.
新政策被发现在提高经济方面是无效的。
-
2.The teacher's explanation was not clear enough for the students to understand the concept of ineffectiveness.
老师的讲解对于学生来说不够清晰，以至于他们无法理解无效性的概念。
-
3. The manager decided to implement a new system to improve the company's ineffectiveness in customer service.
经理决定实施一个新的系统来改善公司在客户服务方面的无效性。