So far as we know, there were no survivors.

具目前所了解的资料，没有幸存者。

Yes, so far as we know, in the field, your company has lats of experience and we hope you will consider the tender seriously.

是的。据我们所知，贵公司在这方面很有经验，我们希望你们能认真考虑这次投标。

Yes so far as we know, in the field, your company has lats of experience and we hope you will consider the tender seriously.

是的。据我们所知，贵公司在这方面很有经验，我们希望你们能认真考虑这次投标。

So that means this program, everything you heard about, it is not happening anywhere currently in the US so far as we know.

这意味着，据我们所知，这个计划，你所听到的一切，目前还没有在美国任何地方发生。

For, suppose he were apprehended, we have no proof against him. He is not even (so far as we know, or as the facts appear to us) concerned with the gang in any of their robberies.

因为，假设他被捕了，我们没有证据证明他是对的。他甚至（据我们所知，或事实看来）与该团伙的任何抢劫无关。