49. So far as I have been able to discover ， there are four basic alternatives.
（1）so far as ： =as far as ， to the extent that 就……而言，从……来看。
如：His conduct ， so far as I can see ， is unjustifiable .
就我看来，他凭一已之力将不可能完成这样巨大的项目。
（2）alternative ： one of more than two possibilities 数种可能之一，可代替的。
如：There are alternative answer to this question .
这个问题有几种可能的答案。
An alternative plan is to apply for a loan.
另一种可能的方案就是申请贷款。