.. The problem is again the ideal-- they're trying to work toward what I think of an ideal that we see in finance-- 1 mainly, the perfect correlation of consumption and the elimination of risk--we all help each other.

问题又回到了理想-,他们为之奋斗的这种理想状态,如果用金融学的理念来解读-,就是消费与风险消除的相关系数为,即完全正相关，所有人都互助互利。

耶鲁公开课 - 金融市场课程节选

The tests are not perfect but can be useful in conjunction with doctor-prescribed elimination diets and food challenges, which involve ingesting the allergen under a doctor's supervision, Pistiner said.

CNN: Food allergy diagnosis 'an inexact science'