47Only gradually was the by-product of the institution noted, and only more gradually still was this effect considered as a directive factor in the conduct of the institution.
正确答案：
这个制度的副产品仅仅是为人们所逐步注意到而在实施这种制度时认为这种影响是一个制约因素则仍然更为缓慢
47Onlygraduallywastheby-productoftheinstitutionnoted
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