Don't worry. Someone in San Francisco has invented a self-cleaning public toilet.

别担心，在旧金山有人已经发明了一种自我清洗的公厕。

youdao

There, working with local community groups, he built a business for Unilever that offers a branded, affordably-priced, self-contained plastic toilet and a toilet cleaning service run by a local social business which uses Unilever cleaning products.

FORBES: Social Intrapreneurs: Disruptive Innovators on the Inside