施韦策表示，问题在于，实际交易是无利可图的。
The problem, Schweitzer says, is the actual trades were not profitable.
施韦策承认，他的研究与大量颂扬设定目标的诸多好处的文献相悖。
Schweitzer concedes his research runs counter to a very large body of literature that extols the many benefits of goal-setting.
施韦策表示，上世纪90年代初，西尔斯对其汽车维修人员实施销售配额时，情况就是如此。
Such was the case, Schweitzer says, in the early 1990s when Sears imposed a sales quota on its auto repair staff.
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