Here,the first level: do we focus on weaknesses, which is the disease model,say let's get rid of weaknesses?

第一个层次：,我们是否重视缺点，也就是疾病模型所说的我们要摆脱的缺点？

哈佛公开课 - 幸福课课程节选

One, at the first level, what are the cells that make up that tissue?

其一,在第一个层次上,构成那个组织的是哪些细胞呢

耶鲁公开课 - 生物医学工程探索课程节选