半专业人士的梦想机型 Aspirational model
“我们调查的专业人士中有一半人对信息问题感到沮丧，”克莱格说。
"Fifty percent of professionals we surveyed felt weighed down by information," Craig says.
到威尔逊离开通用汽车的时候，美国几乎一半的家庭都达到了中等收入水平，而多数一家之主并非专业人士或高管，而是技能娴熟和半熟练的工厂工人。
By the time Wilson left GM, almost half of all US families fell within the middle range of income. Most were headed not by professionals or executives but by skilled and semi-skilled factory workers.
有接近一半的专业人士愿意拔掉病人的生命维持插头来拯救其他人，相对于只有三分之一的医生会这样做。
Nearly half of public health professionals were willing to pull the plug on a patient's life support to save others, compared with less than a third of doctors.
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