It is becoming increasingly clear that this problem will not be easily solved.

越来越明显的是，这个问题不会轻易解决。

《牛津词典》

It is sobering to realize that this is not a new problem.

意识到这并不是新问题，就会使人冷静下来。

《牛津词典》

Almost everyone who was interviewed for this special report said that the biggest problem at the moment is not a lack of demand but a lack of good work to sell.

几乎每一位接受本期特别报道采访的人都表示，目前最大的问题不是需求不足，而是缺乏可供销售的好作品。

youdao

There was a conditional agreement: yes, Norway should manage this oil risk but it's politically difficult and that's the problem-- is that we're not able to do our optimal management.

他们在一定程度上同意我的观点：,是的，挪威应该设法解决石油的风险,但这在政治上很困难,其问题在于-,挪威无法做到最优的管理。

耶鲁公开课 - 金融市场课程节选

This is a problem when you consider that books in the days were not likely to be codices as they are today, but scrolls that took up quite a lot of space.

这里有点奇怪,因为考虑到那个时期的书本,和现在我们看到的抄本不同,是比较占地方的卷轴

耶鲁公开课 - 古希腊历史简介课程节选

This is so obvious in this problem, but when you see more complicated formula, you may not know all the assumptions that went into the derivation and quite often you will be using it when you shouldn't.

在这道题中这些都很明显,但是当我们用更复杂的公式时,你可能搞不清楚所有,在推导时的前提,因此很多时候,你都会用错公式

耶鲁公开课 - 基础物理课程节选

Without that official validation, it's not surprising that this problem is not addressed more by physicians.

CNN: Exhaustion, anger of caregiving get a name

"This problem is not an issue that's just confined to Haider, " he told BBC World Service.

BBC: Cricketers do not trust ICC - players' chief Tim May

Recent studies suggest that people with certain genes are more likely than others to have this problem, and it is not just medications that can do this.

CNN: Can antidepressants raise liver enzymes?