We encountered a serious problem on our way to work this morning.（今天早上上班路上我们遇到了一个严重的问题。）

The problem with this plan is that it requires too much money.（这个计划的问题在于它需要太多资金。）

Solving math problems can be really challenging sometimes.（有时候解数学题真的很有挑战性。）

He has a problem concentrating on his studies due to the noisy environment.（由于环境嘈杂，他难以集中精力学习。）

Pollution is one of the most urgent problems our planet is facing.（污染是我们地球面临的最紧迫问题之一。）

They are trying to figure out how to deal with the traffic problem in the city.（他们正试图弄清楚如何应对城市的交通问题。）

The problem of food shortage still exists in some parts of the world.（粮食短缺问题在世界一些地区仍然存在。）

She always turns to me when she has a problem.（她一有问题总是向我求助。）

We need to find a solution to this problem as soon as possible.（我们需要尽快找到解决这个问题的办法。）

His attitude is the main problem in this situation.（在这种情况下，他的态度是主要问题。）

The problem with the machine is that it keeps breaking down.（这台机器的问题是它老是出故障。）

There's a problem with my phone; it won't turn on.（我的手机有问题，开不了机。）

Dealing with relationship problems can be very stressful.（处理人际关系问题可能会非常有压力。）

The economic problem has affected many businesses.（经济问题已经影响了很多企业。）

We discussed the problem at length during the meeting.（会议期间我们详细讨论了这个问题。）

Identifying the root cause of the problem is crucial.（找出问题的根源至关重要。）

The problem of poverty needs to be addressed by the government.（贫困问题需要政府来解决。）

He has a drinking problem and it's affecting his health.（他有酗酒问题，这正在影响他的健康。）

The problem presented in this article is worthy of our attention.（这篇文章中提出的问题值得我们关注。）

We should work together to solve this common problem.（我们应该共同努力解决这个共同的问题。

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