■ so far

表示“迄今为止”，通常表示的是“一直到说话时原状都保持不变”，与 until now（到现在就变了）不同。

• In their scientific ignorance, they had so far failed to grasp these commercial possibilities.他们由于在科学上无知，迄今为止未能抓住这些商业上的机会。
• The food I've had so far is pretty miserable, but that's largely because I have nobody to go to the better restaurants with.迄今为止我吃的食品都很糟糕，但是这主要是因为我没有谁能同我一起上好饭馆去。
• The moment had arrived. He had been exceptionally fortunate so far; there was no need to tempt fortune any further.时机来到了。他迄今为止运气一直格外好；没有必要再进一步碰运气了。
• So far, FDA permission to sell the drug as a prescription product had not been given.迄今为止，食品药物管理局一直没有允许这种药品作为处方药出售。
• So far, however, empowerment has not come easy. (Newsweek, Nov. 7, 2005, p.63)然而迄今为止，支持南非黑人自建庄园的工作，进行得并不容易。

参见 until now 条。