They say there are seals here, but I have seen none yet.

据说这里有海豹，但我还没看到过.

youdao

None of these countries has found a way yet to get around the problem of the polarization of wealth.

这些国家均未找到一个方案来解决贫富两极分化的问题。

《柯林斯英汉双解大词典》

No one could imagine a great woman painter. None had existed yet.

没人能想像会有出色的女画家。还没有那样的人存在过。

《柯林斯英汉双解大词典》

None of these seem to make any difference to us and yet I think they should.

这些似乎对我们没啥影响,但我认为它们应会有所影响。

耶鲁公开课 - 政治哲学导论课程节选

It is this Socrates who is brought up on charges of corruption and impiety yet none of this quite answers the question of what is the nature of Socrates' crime.

这是被控腐化,与亵渎神明的苏格拉底,但这都未能完整地回答,苏格拉底所背罪名的本质究竟为何。

耶鲁公开课 - 政治哲学导论课程节选

So far, it has conducted 355 investigations and prosecuted 16 lawsuits (none yet settled).

FORBES: Off with their perks!

There are more talented people in the leader's entourage, but none yet of the gravitas to counter such impressions.

ECONOMIST: Twitchy times for William Hague

None yet offers anything approaching a full banking service.

ECONOMIST: Open for couch potatoes