请教一下各位老师，More
economic variation took shape in rural villages, as some grew prosperous from
farming while others did not. As well as can be measured, rural standards of
living improved in the Fifth Reign. But the statistical averages mean little
when measured against the harsh realities of peasant life.句中的as
well as 后面为什么没有主语？如何理解as well as
在这里的意思？
