Plastic pollution has been one of the most serious problems today.

塑料污染是当今最严重的问题之一。

youdao

I think the most serious problems are actually cultural ones.

我认为最重要的问题实际上是文化问题。

youdao

Severity ratings can be used to allocate the most resources to fix the most serious problems and can also provide a rough estimate of the need for additional usability efforts.

对可用性问题进行严重性评估，可以把大多数资源分配到最严重的可用性问题上去，并且可以对这些问题是否需要额外的可用性努力进行粗略的估计。

youdao

Clark sees traffic congestion as one of the most serious problems of our time - for a variety of reasons.

VOA: standard.2010.07.26

But these are things that can be minimized and lessened if Mexico and the United States work together, identify the most serious problems and try to fight them in very focused ways."

VOA: standard.2009.12.18

Although hot weather just makes most people feel hot, it can cause serious medical problems, even death.

VOA: special.2010.07.27

Corruption and nepotism at the top are cited among the most serious problems in Senegal.

BBC: Senegalese President Abdoulaye Wade's rise and rule

Each year, the IRS Taxpayer Advocate issues a report identifying the most serious problems encountered by taxpayers.

FORBES: The Case For Investing in the IRS

But Ford caused some of his most serious problems himself, notably in the last days of the campaign.

NPR: Ford Remembered in His Own Words