Explanation: Dehn benefits. Repay the favor with a favor. Source: "The Analects of Confucius constitutional question 'or say' good for evil ru? 'Master' Why repay? To complain directly to Germany reported that Germany. '" Examples: Nine public for fear it will Jiuxiong left her country, in the future if there is the matter, we will save you out, can be considered - "the. ★ Qing Li Ruzhen" Flowers in the Mirror "19th back