标题：The latest threat to China? The rise of the DINKs

正文：Shorthand for gainfully employed U.S. couples whose only responsibilities were to themselves, the acronym DINK — dual income, no kids — was coined to capture the unabashed materialism of the 1980s. Four decades later, the term has made a comeback, with millennials embracing it on social media to flaunt their free time, lavish spending habits and the other perks of choosing to be child-free.

知识点：shorthand n.

1. a quick way of writing using special signs or abbreviations, used especially to record what sb is saying速记（法）

typing and shorthand打字和速记

a shorthand typist速记打字员

2. (for sth)a shorter way of saying or referring to sth, which may not be as accurate as the more complicated way of saying it

（对某事）简略的表达方式

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