Excuse me, where is the restaurant? The shepherd boy pointed to Xinghua Village.
-Tomb-Sweeping Day by Don Mutu
By the way, the "other village" upstairs just happened to be "stolen" as a brand name like "Xinghua Village", but it has nothing to do with word of mouth.
Of course, the book Five Lights of the Song Dynasty came from here because of the word "word of mouth".
"I advise you not to carve stubborn stones. The population on the road is like a monument." Volume 17 of Five Lights Meeting Yuan (discovered today) is the original source of the idiom "oral tablet carries Tao".
If you want to promote products, I think it's good to use the idiom "taking medicine orally with words"