The Pope may freely decide who is promoted to the rank of cardinal. Qualifications include education, character, and ability, as well as contributions to the church. Ordinarily they are selected from among the ranks of bishops.
樞機主教是由教宗選拔，其條件為學識、道德以及做事的才智皆超群出眾，對教會有卓越貢獻者，通常是由主教群中擢升。