Another name for the thumb-proficient is the thumb generation.

这些拇指功能很发达的人还有一个名字叫拇指一代。

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The thumb-generation who can tap out atext-message under their desks while taking notes with the other hand — they’rein for it, too.

拇指一代，能一手在他们课桌下敲打出短信，还能用另一只手记笔记，他们确实很牛逼。

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"Along with the development of technology, the enlarged thumb or pinkie bent will become the norm, especially for the younger generation," added Goldsmith.

“随着科技的进步，变大的拇指或弯曲的小手指就会成为常态，尤其对年轻一代来说，”戈德史密斯补充道。

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The preference rule of thumb for connecting with family, friends and associates typically depends upon the generation.

FORBES: Your Customers Have Connection Preferences