This pattern of usage was broken by only occasional instances of teaching or learning with computers. (citejournal.org)
Jesus did not abolish it, but only in occasional instances of sickness made clear God's will. (religion-online.org)
I'm pretty thrifty until I'm not, splurging for a nice meal or a cool jacket on occasional instances that often end up being a little too occasional. (relevantmagazine.com)