You have mechanisms inside your natural mechanisms inside your cell that allow the cells to degrade unwanted RNA sequences.

人体内细胞的这种自然机制,有助于细胞降解不需要的RNA序列

耶鲁公开课 - 生物医学工程探索课程节选

A newer version of this that works in a similar way but a different way is called RNA interference, and it turns out that this is a natural mechanism that cells have.

NA干扰是这类方法的新秀,它的原理与其大同小异,已经证实 这是细胞的自然机制

耶鲁公开课 - 生物医学工程探索课程节选