“as far as”是什么意思?

“as far as”是什么意思? as far as I am concerned是什么意思? As far as I concern是什么意思? “As far as i am concerned”是什么意思 as far as I concerned是什么意思 as far as／so far as／so far／as long as／so long as几者都是什么意思?具体区别? as far as far as far as far As far as far as.so far twice as far as As Far As as far as=as as discussed so far这个短语是什么意思 stay away from me as far as possible是什么意思 As far as,as long as ,as well as