How did "soy sauce" come from?

Take a walk with colleagues and talk about the origin of "soy sauce". At first, we always thought it was a network vocabulary, but further research found that Jia Pingwa mentioned the word "allusion" in his article.

The story is about an ancient husband who wanted to do things with his wife before a long trip, but it was inconvenient to have a baby at home. My husband had planned to send the baby out to "make soy sauce" and took a very shallow bowl to tell the baby not to spill the soy sauce. The baby did it, and when the baby came back with soy sauce, the business of the couple was completed.

This is the origin of soy sauce.