However, I suspect that this element is often left out of private praying for sheer lack of knowing what to say that might be appropriate. (religion-online.org)
Dating experts claim that it is due to sheer lack of knowledge and understanding that Black women dating white men fail to take their relationship to the climax. (blackwomendatingwhitemen.biz)
Is it possible a doctor with a medical license maybe wants their patients to get evidenced - based treatment, and discourage the use of things that could be harmful by sheer lack of proven effectiveness alone, instead of being sold over-priced, false promises that prey on people desperate for help who often can't afford the cost, but pay it out - of - pocket anyway? (statnews.com)