adj.偶然的；外来的；[生]不定的
As a successful advertiser , he realized it and advised his boss to catch this adventitious and advantageous chance. 作为一名成功的广告人，维克多认识到这一点并建议他的老板抓住这个外来的有利的时机。
adv.偶然地(非典型地；外来地)
