And the time is going to come when the car will cease to exist but its parts will still be around.

而车有一天会不再存在了,但它的零件却依然存在

耶鲁公开课 - 死亡课程节选

So they like to be in the membrane and they're stable there and they won't come out because their structure allows them to exist in these unique spaces.

所以它们在膜里稳定存在,而且也不会脱离膜,因为这些蛋白质的结构使其能存在于,磷脂双分子层这个独特的环境中

耶鲁公开课 - 生物医学工程探索课程节选