We are reluctant to take the notion that concrescence is a mere idealized abstraction from human experience too seriously in the analysis of persons, for there are characteristics of a person that must not be ignored and can not be understood in terms of single occasions. (religion-online.org)
The proportion of Aboriginal and Torres Strait Islander people engaging in risky single occasion drinking (four or more standard drinks at a time according to 2009 NHMRC guidelines) has declined from 38 % in 2008 to 30 % in 2014. (abs.gov.au)
On NOT ONE single occasion did I ever experience anything inappropriate» This proves nothing (other than that you were an ugly little boy). (religion.blogs.cnn.com)