New dynamos like india and china threaten american dominance thanks to their cheap labor and manipulated currencies .
借助于廉价劳动力和制造业的发展，诸如印度和中国等新的经济增长极开始威胁到美国的统治地位。
Pricey pre-cast cement homes dc dynamos and bizarre electrical devices designed to communicate with the dead were among his more noteworthy failures . Even his successes were often misdirected .
