Books are the last bastion of the old business model-the only major medium that still hasn't embraced the digital age.

书籍是旧的商业模式的最后堡垒，也是至今唯一仍然没有拥抱数字时代的主流媒介。

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The young man was of medium height for his age.

这个年轻人在同龄人中属中等身高。

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Patients: 103 patients (mean age 60 y, 71% men) with small (, 1 cm) or medium-size (1 to 3 cm) tears of the rotator cuff.

患者：103名肩袖小型或者中型撕裂的患者（平均60岁，71%为男性）。

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ABC, on the other hand, missed the cut by only one spot viewers of the Emmy-winning comedy Modern Family have a medium age of 44.1.

FORBES: From 'Family Guy' To 'Glee,'The Youngest Shows On Network TV

Budding older artists were invited to submit their work for the exhibition regardless of age or experience, using any medium.

BBC: NEWS | Entertainment | Grandmother knits art genitalia

Now the senior of the two, a longtime New Jerseyan, has died at age 99 even as the print medium itself looks ever more mortal.

FORBES: Richard Scudder, Newspaperman, Dead at 99