简而言之: make a long story short; briefly speaking; for shortness' sake; in a few words; in a nutshell; in brief; in short; to put it in a nutshell; to sum up
总之: in a word; in short; in brief; all in all; long and short of sth.: 总之, 感应电动势滞后于电流。 in a word, the induced e. m. f. lags behind the current
