as (so) far as; as (so) long as
as(so)far as的意思是“就……而言(所知)”,as (so) far as sth.is concerned是其中一种具体用法,意为“就某事而言”;as (so) long as意为“只要”,引导条件状语从句。如:
As far as I know, more than 10 million laid-off workers have found their new jobs.
就我所知,一千多万下岗工人已经找到了新的工作。
There is nothing that we can’t do so / as long as we keep on trying to do it.
只要我们不断地努力去做,就没有什么事干不成。
As far as the tourism of China is concerned, there is a long way to go.
就中国的旅游业而言,需要做的工作还很多。