请教一个英文句子的语法问题asaconsequence,effortstoimproveeconomicandsocialcondition,whichhaveatransportationcomponent,asmostdo,arelessefficientandthebreadthofopportunitiesismorerestricted.请大虾们帮我分析

问题：请教一个英文句子的语法问题asaconsequence,effortstoimproveeconomicandsocialcondition,whichhaveatransportationcomponent,asmostdo,arelessefficientandthebreadthofopportunitiesismorerestricted.请大虾们帮我分析

答案：↓↓↓

汤祝云的回答：

网友采纳　　which引导的是定语从句,修饰effortstoimproveeconomicandsocialcondition这个名词词组的,而toimproveeconomicandsocialcondition又充当一个定语来进一步修饰effort,到底是怎样的effort.