1.b> , , / ; "pearl" is the key word here! This is the quintessence of all! "" ! ! advertising is the quintessence of marketing / ;
2.b> ..i> / ; quintessence of reason / / ; he was quintessence of political professionalism ; it was the quintessence of an English manor house ;
3.b> i> ; the quintessence of evil ;
4.b> , , ( i>).