the practice of checking the quality of goods or services that a company sells, so that the standard continues to be good
1. Early on, the team used the quality-improvement concept known as benchmarking — adopting the best methods or processes used by other companies. 初期，小组使用了被称为水准基标法的质量改进概念，即采用其他公司使用的最佳方法或疗程。
2. Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tap-water, or untreated water from any other source. 短途旅行到水质不保险的地区时，应避免饮用水龙头的水或未经处理任何其他来源的水。
3. The future? Bosses could measure brain activity to learn worker quality. 那么未来会是个什么样子呢？老板可以通过测量大脑活动情况来了解工人的素质。
4. There is a sincere concern for quality. 这是对质量的真正关心。
5. The team — six doctors, three nurses, three breathing specialists, two drug experts and a manager — studied the situation and came up with improvements that earned the team a special award for quality improvement. 这个由六名医生、三名护士、三名呼吸系统专家、两名药物专家和一名负责人组成的小组研究了当时的情况，并作出了改进，这些改进为该小组赢得了一项质量改进特别奖。
6. Quality matters more than quantity. 质重于量。
7. He gave me an assurance that it would be ready by Friday. 他向我保证星期五一定准备好.
8. He believes very strongly that children need the experience of school to ensure the quality of being taught the basics and being examined. 他深信孩子们需要在校学习的经历，以保证基础知识的学习和考试的质量。
9. Human population growth is creating food shortages, problems of air quality, and changes in weather patterns. 人口的增长带来了粮食短缺、空气质量降低、天气状况变化等问题。
10. "a word or words expressing some quality considered characteristic or descriptive of a person or a thing, often expressing approval or disapproval." "表达某种特点的一个或几个字, 这种特点被认为反映了某人或某事的本质、或描述了某人某事，常表示嘉许或不喜欢的意思。"