The professor said: "It is a real mystery how these creatures are able to live without oxygen because until now we thought only bacteria could do this."

这真是难以理解的事情。 因为此前我们知道仅有细菌可以在无氧状态下存活。

youdao

Why did I not know about something so widespread in my ethnic community, until now? Probably because no one really talked about it.

为什么我直到现在才了解这些在我的种族区域广泛传播的疾病？可能是因为从来都没有人真正提及它吧。

youdao

So, whenever there's any risk of confusion, OK, so not in the cases that we had before because what we've done until now, we didn't really have a problem.

任何情况下，都有可能出现这样的混淆，之前之所以没有出现，是因为直到现在，我们才真正地遇到它。

youdao

"The only opportunity is now." "We can't wait until later because families are going to get separated, people are going to get deported and that's not fair."

VOA: standard.2010.04.12

That is because until now I have not been paying attention to the young man who lives across the street from me.

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This could be good news for the companies, because up until now Onglyza has done poorly in the market.

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The bankruptcy is a milestone because, until now, China's larger struggling solar companies have been kept afloat by cheap credit and indirect state support.

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