“We don’t care, do we?” .... “It seems that the man’s older brother has tested positive for the PCR test. That’s why he hasn’t been here for a long time.” No one knows who that man is. So I don’t really know if the man is a close contact with us. According to a notice from the local public health center, families in the same household are basically recognized as having close contact with each other. So if a family member tests positive, other members of the family are also potential carriers. Therefore, all family members must stay home and undergo appropriate examinations. What is understanding? When understanding something, the object must not be minute. Information with a strict structure is generally not understood. Because understanding is imaginary association of the gaps between elements, and we cannot comprehend a structure without gaps. But what if a member of that family showed up here often, excited about the results of soccer games, and ...