Indeed, concentrated poverty may be the single best predictor of school performance and high - poverty schools remain the most difficult nut to crack in attempts to improve educational outcomes. (gse.harvard.edu)
And writing those objectives is the first step to cracking the extremely difficult nut of developing learning content for business skills. (elearningindustry.com)
Also we play Hull, very difficult nut to crack at home and fighting to avoid relegation. (justarsenal.com)