ACTG依从性问卷和尿颜色试验的敏感性最高，但特异性最低。
The ACTG adherence questionnaire and urine colour test had the highest sensitivities but lowest specificities.
研究人员从志愿者身上采集血液样本用于试验，将血液滴在试纸上，根据试纸颜色的变化来区分血型。
In lab tests using blood samples from human volunteers, the scientists showed that a drop of blood placed on the strip caused a color change that indicated blood type.
对于约翰·路易斯网站上的灰色按钮，试验者们也有类似的评价。按钮的灰色与网站其它内容的颜色是一样的。
Similar comments were made about John Lewis's grey button, which is the same colour as other content on the page.
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