But politics is only part of the answer: such discordant figures as Ms Friedan and Lady Thatcher have been borne aloft by subterranean economic and technological forces.

• 但政治只是部分因素：像弗里丹和撒切尔夫人这样的“离经叛道者”其实是被经济和技术力量的暗涌推到风口浪尖的。