1.b> / ; ;
2.b> 1) / / , (, ..i>); there has been a plunge in the (value of the) dollar / ;
2) / (i>); ;
3.b> i> ; i> ;
to take the plungeb> .i> ) ; ; he takes the great plunge tomorrow ; ) ; I've decided to take the plunge and set up my own business , .