The secretary who says merely, “Mr. Cooper is calling for Mr. Smith,” forces Mr. Smith’s secretary to interrupt his meeting to say that the boss wants him. This leaves Mr. Smith with little alternative but to take the call regardless of its importance. A more aware boss—or secretary—will anticipate this “upgrading” danger and make sure that an unpressing matter is simply conveyed by message through Mr. Smith’s secretary for response at a time convenient to him.
Source: wiktionary
In this contentious atmosphere, few countries wished to become involved in further argument on Korea, which for most of them was a remote and unpressing matter.
Source: wiktionary
I rested on the stairstep beside him that day, he noticed my sack of just-bought English papers and asked if his friend Harold Hobson still ran The Sunday Times’ theatre pages, and within minutes we had clarified this and a few other unpressing matters and were holding glasses of very good old port in his book-lined, map-hung study.
Source: wiktionary