Mr Shen categorized themethodsofmemorizing wordsinto10items and elaborated them ineveryparticularwith vividexampleswhich conduced to students' divergentthinking.
Mr Sandel brings abstruse-sounding ethical puzzles down to earth withvividexamples taken from the news: price gouging in New Orleans after Hurricane Katrina, affirmative-action programmes at American universities, large bank bonuses paid with public money.