牛津詞典給 squeezed middle "受壓榨的中產階級" 下的定義如下：
Squeezed middle 受壓榨的中產階級
the section of society regarded as particularly affected by inflation, wage freezes, and cuts in public spending during a time of economic difficulty, consisting principally of those people on low or middle incomes. 在經濟困頓期間，明顯受到通貨膨漲、薪資凍結、公共支出刪減影響的部分社會大眾，主要是中低收入者 [曾泰元 譯]
Arab Spring n.: a series of anti-government uprisings in various countries in North Africa and the Middle East, beginning in Tunisia in December 2010. [After Prague Spring, denoting the 1968 reform movement in Czechoslovakia.]
Bunga bunga n.: used in reference to parties hosted by the former Italian prime minister Silvio Berlusconi, at which various illicit sexual activities were alleged to have taken place.
Clicktivism n.: the use of social media and other online methods to promote a cause. [Blend of click and activism.]
Crowdfunding n.: the practice of funding a project or venture by raising many small amounts of money from a large number of people, typically via the Internet. [After crowdsourcing.]
Fracking n.: the forcing open of fissures in subterranean rocks by introducing liquid at high pressure, especially to extract oil or gas. [Shortened < hydraulic fracturing.]
Gamification n.: the application of concepts and techniques from games to other areas of activity, for instance as an online marketing technique.
Occupy n.: the name given to an international movement protesting against perceived economic injustice by occupying buildings or public places and staying there for an extended period of time. [From the imperative form of the verb occupy, as in the phrase Occupy Wall Street.
The 99 percent: the bottom 99% of income earners, regarded collectively.
Tiger mother n.: a demanding mother who pushes her children to high achievement using methods regarded as typical of Asian childrearing. [Coined by Amy Chua in her book, Battle Hymn of the Tiger Mother.]
Sifi n.: a bank or other financial institution regarded as so vital to the functioning of the overall economy that it cannot be allowed to fail. [Acronym from systemically important financial institution. Pronounced "SIFF-ee", rhyming with "jiffy".]