那娜的时代结束了用英文怎么表达？

　　In the mass production era multinational firms tended to centralize their operations

　　在大规模生产的时代，跨国公司往往实行集权化经营。

　　A new era seemed to be about to dawn for the coach and his young team

　　对于那名教练和他的年轻球队来说，一个崭新的时代似乎即将到来。

　　The pictures belong to an era when there was a preoccupation with high society.

　　这些画出自一个人人向往上流社会的时代。