What does it mean to have spiders at home?

What does it mean to have spiders at home? -Spiders show up at home. According to the self-laws of biological competition, survival of the fittest and selective development, it shows that there are too few family members, the conditions suitable for spiders to survive become better, and the food sources increase, which is conducive to spiders' survival. With good conditions and adequate food, the spider population grows rapidly. The reason is that simple. It also enlightens human beings that the conclusion that there are natural extinction and population extinction in those areas with difficult conditions is correct. Further inference is that geomantic omen is to correctly choose and create favorable living conditions and lots for human beings, and there is no puzzling geomantic omen. Natural selection is a two-way choice in both human beings and nature, that is, human beings choose nature and nature also chooses human beings. It coincides with the current employment of college students and implements two-way choice.