1. There was not much agreement about how to identify or categorize earlier eras. 关于如何鉴别或归类早期的时代,人们没有达成多少共识。
2. People in earlier eras were surrounded by reminders of misery. 以前的人们陷入了痛苦的回忆。
3. In previous eras of drastic technological change, entrepreneurs smoothed the transition by dreaming up ways to combine labor and machines. 在以前技术剧烈变革的时期,企业家们想方设法将劳动力和机器结合起来,才使得转型顺利进行。
4. The gap between the two eras is about 40 years. 这两个时代之间的间隔约为40年。
5. The lust for gold spans all eras, races, and nationalities. 对黄金的贪求不分时代,种族和民族。