One key weakness of the student achievement — gain measure is the limited number of grades and subjects for which assessment data are currently available. (educationnext.org)
This is key weakness in our industry that stands in the way of true professionalism! (remonline.com)
It has been reported in recent years that Arsenal are in a strong financial position, and yet they haven't really addressed key weaknesses in their squad and transformed themselves into a real force in the English top flight since their previous dominant spell. (caughtoffside.com)