It is a wonder of Langyuan - not a fairy of Langyuan.
The subtlety of this... Please experience it yourself.
Technology-based cleaning, as the name suggests, is all for science! All for technology! All for resources!
All in all - my journey is to the stars and the sea!
Please believe in the heroine's IQ. As a girl from a non-feudal era, if she can break out of the earth, she will not be stupid enough to find a boyfriend in the Qing Dynasty.