而现在，它的稀缺效应不复存在，伦敦大学教育学院的安娜·维格诺尔说，象最初的那种学位平均回报已经很小了。

Now that its scarcity value has gone, says Anna Vignoles of London University's Institute of Education, initial average returns to degrees are very small.

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从1986年到2002年，舒特和拉格斯两人从诺尔斯维尔方舟到阿帮峦溪流一带带回了一桶桶的鱼。 现在，他们每年都要返回那里，去监测结果如何。

From 1986 to 2002, Shute and Rakes toted bucketfuls of fish from theKnoxville ark to Abrams Creek; now they return each year to monitor theresults.

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