translation.en: And I started talking to him about this problem with breast density, and we realized that we might be able to get this detector close enough around the breast to actually find small tumors.
translation.zh: 于是我开始与他讨论 乳腺密度的问题， 我们意识到也许我们可以 把这个探测器放到距离乳房足够近的地方 去找到小肿瘤。