A special period means that a country, a society, a family, a community, a person and other groups or individuals are going through difficult periods such as poverty and finance, and these difficulties can be solved in the short or long term.
Protection is the effort to take care of and cherish yourself and protect your mind from harm. The language "Book Bi" "Parting, Entering the Suburb".
Confucius said: "The people's Curie is different from their good and evil; Set up a suburb of the Eastern Zhou Dynasty to protect it. "