Her jealousy is the mainspring of the novel's plot.
這部小說情節(jié)中貫穿了她的忌妒之心.
?? 牛津釋義
mainspring
n
1 principal spring of a clock or watch (鐘表的)主發(fā)條.
2 (fml fig 文, 比喻) chief motive or reason (for sth) (某事的)主要動機或原因
Her jealousy is the mainspring of the novel's plot. 這部小說情節(jié)中貫穿了她的忌妒之心.