第1个回答 2008-06-07
so far,up to now ,till now 至今为止 一般要用完成时
till now 置句尾
for example:
So far we could only deduce in this way, sir. Further information is expected.
先生,至今为止我们也只能这样推断,还有待进一步的信息。
Up to now everything has been successful
到目前为止,一切都很顺利
We've cooperated very well up till now.
我们一直都是合作得很好的。