I think this is the one of the Chinese world's greatest problems, I hope that through the planning and try to change this phenomenon.

我认为这是华人世界存在的一个最大问题，希望能通过我的策划而尽量改变这一现象。

youdao

The urban traffic jam problem has already become one of the greatest problems that the modern society, especially urban society is facing.

城市交通拥挤问题已经成为现代社会尤其是城市社会面临的最大课题之一。

youdao

Some of the greatest problems we face today are concerned with the gradual destruction of our environment through over-use and abuse of our resources.

当今我们所面临的一些重大问题中，有些是由于过度使用以及滥用资源而造成的环境不断恶化。

youdao

One of the greatest problems for anyone who has dealings with government, whether as a citizen or a business, is its sheer complexity.

ECONOMIST: A survey of government and the Internet

We're outlining how to solve the greatest problems facing America today.

WSJ: Paul Ryan: The GOP Plan to Balance the Budget by 2023

Yet the Rev Dr Gordon Gatward, who runs the Arthur Rank Centre, says one of the greatest problems has been persuading foot and mouth-stricken farmers to come forward and apply for help - partly out of pride, partly out of reluctance to be seen to pander to the popular prejudice that farmers are always looking for handouts.

BBC: Jubilee tour diary: Beer in Burton