The technological revolution has failed to improve the lives of poor people in developing countries.在发展中国家，技术革命未能改善穷人的生活。There has been a technological revolution in the printing industry.印刷业发生了一次技术革命。As with many technological revolutions, you are unlikely to be aware of it.就像诸多的技术革命一样，你可能不太会注意到它。