不急之务

Explanation: Urgent: urgent, important thing; services: things. Insignificant or no hurry to do. 　　Usage: Partial official; as subject, object; that it does not matter 　　Source: Jin Chenshou "Sun and Chuan Wu of the Three Kingdoms": "abandoning a matter of no great urgency to repair the tomb of exploits, which in the name of the line, would not Good, good!" 　　Examples: Battle of nameless, ~, and should stop it. (Song Sun Guangxian "Bei" Volume XX)