the financial crisis and the suffering_has caused have a great influnce on the whole world为什么中间不用which用it?

用it.it指代的the financial crisis 是从句 it has caused 的 主语.其实应该用 which/that it has caused.如果是完整的语法.但是,which/that 在从句中是宾语,可以省略的,尤其在口语中.从句的意思是 it(the financial...