原意🍅：n. 专注；仅处理；仅注重；聚集者
例句： Concentration on the needs of the young can mean that the elderly are forgotten.
对年轻人需求的注重可能意味着对老年人的忽视。
僻意🍝： n. 浓度
例句：The latest data showed that global ozone concentration had dropped several percent over the last decade. 最新数据显示，过去10年来全球臭氧的浓度降低了几个百分点。