We have not solved the problem (of) who was at fault.

我们没解决是谁的过失的问题。

youdao

But we have not solved older, deeply-rooted problems that continue to diminish the potential of half the world's population.

但是我们还没有解决古老的根深蒂固的问题，这些问题继续影响着占世界半数人口的妇女的潜能。

youdao

"I think it's important to point out that we have not solved coronal heating, but we have provided a piece of the puzzle," he says.

“我认为有必要指出，我们还没有解决日冕是如何被加热的，但是我们离答案又近了一步”，巴特德巴日尔说。

youdao

Occasional increases in the reimbursements, rural health officials say, have not solved the problem.

ECONOMIST: Health care

Equity options have not solved all of the problems of corporate governance of the 1970s, and they have introduced some new ones.

ECONOMIST: No soft option

"In Turkey, we have not solved our ethnic questions, and democracy has not yet taken hold, " said Mehmet Guzelyurt, an Alawite dentist from Antakya.

WSJ: Turkey's Shiites Fear Contagion