A large number of off white eggs were found under the sofa in the corner of the kitchen and toilet,

Because when you go to the toilet, you are either squatting or sitting on the toilet, and you are on top of it relative to the carrier that carries you, so we often say that you go to the toilet, but when you go to the kitchen, all the things you have to use are under your hands, including chopping vegetables, so it will be said to be in the kitchen.

In ancient times, the general kitchen was in the south and the toilet was in the north, which was generally called south and north, so it was called the kitchen and the toilet.

How could this be the case?

Some people believe that the so-called "lower kitchen" is because the main hall of ancient homes was generally higher than the ground and had stairs, while the kitchen was below. In addition, some researchers believe that the kitchen has always been the "territory" of women in ancient times, and the status of women at that time was relatively low. Moreover, these things of "cooking and cooking" are regarded as dirty and tiring work, and they are what people should do, so they are called "kitchens".

As long as it's not door-to-door, it's fine.