Many Russians enjoy a standard of living undreamt of three decades ago .

如今许多俄罗斯人的生活 水准 是30多年前 做梦 都 想不到的。

At the time he was writing new inventions in fac-tories were turning out wealth on a scale undreamt of by previous generations .

在他写作的年代，工厂里的新发明正在生产出以往 世代 梦想 不到的财富。