And the challenge is to combine "the permission to be human" to experience the emotion to go through the motion and yet not to enter the downward spiral where six months later, after small incident, I'm still in that rot.

困难在于将之与准许为人相结合“,去体会情绪，实现转移,但不会进入下行螺旋，在发生小小意外六个月后，仍心情低落。

哈佛公开课 - 幸福课课程节选

They enter the cell after recognizing, they fall apart inside the cell, they reproduce their DNA, or their genetic material using host mechanisms.

在识别细胞后侵入之,它们在细胞内解体,复制自身的DNA,利用宿主的遗传来机制复制自己的DNA

耶鲁公开课 - 生物医学工程探索课程节选