greeting简单

And interest groups ranging from postal unions to greeting-card makers exert self-interested pressure on the USPS’s ultimate overseer — Congress — insisting that whatever else happens to the Postal Service, aspects of the status quo they depend on get protected.

而从邮政工会到贺卡制造商等各种利益集团，都出于自身利益向美国邮政署的最终监管者——国会——施压，坚持认为无论邮政署发生什么其他变化，他们所依赖的现状的各个方面都必须得到保护。