so far什么意思解释？

So far 57 have taken the test and all have been negative.到目前为止，参加测试的有57人，测试结果均呈阴性。I wasn't too happy with what I'd written so far.我对于目前已写完的这些并不太满意。Robinson didn't think the story was so far off the mark.鲁宾...

so far的音标：so far的英式发音音标为：[səʊ fɑ:]so far的美式发音音标为：[soʊ fɑr]...