Even those of us who attended library school or have our library credentials may lack certain knowledge about basic details like supplies. (librarianlisa.com)
So a teacher wouldn't be penalized if his or her students began the school year behind their peers in certain knowledge or skills. (host.madison.com)
In other words, we easily make exceptions when it comes to infidelity, based on certain knowledge or experience or both. (omgchronicles.vickilarson.com)