Jennifer Talarico is a psychology professor at Lafayette College in Pennsylvania.

詹妮弗-塔拉里科是宾夕法尼亚州拉斐特学院的心理学教授。

" CPI doesn't allow for immediate substitution, which exacerbates the divergence, " says Julie Smith of Lafayette College.

“CPI不会将即时的置换计算在内，这就会导致差距扩大，”拉斐特学院的朱莉·史密斯说。