Since the last recession, a generation has reached the peak spending age without acquiring the caution that comes from burning your fingers once.自从上次经济衰退以来，一代人已到峰值消费年龄，却没有从冲动行事的教训中中学会谨慎。He acted on the spur of the moment without thought of the future.他全凭一时冲动行事，不曾考虑到将来。I used to act out of blind impulse when I was young.我年轻时常凭盲目的冲动行事。