Sentence examples for the most stubborn problems from inspiring English sources

But the plant's very existence is a triumph over one of the most stubborn problems facing the nation's water managers: if they make clean drinking water from wastewater, will the yuck factor keep people from accepting it?

Punctuality on intercity trains is one of the most stubborn problems on our railways, with the bulk of delays attributed to Network Rail.

In more than 14 years as a family coach, this seemingly simple idea If they could, they would—has unlocked solutions to some of the most stubborn problems children face.

This article is part of a series on possible solutions to some of the world's most stubborn problems.

There is not yet gender parity on boards, even though women outnumber men in the industry; a lack of social diversity is one of its most stubborn problems and there are only a handful of BAME publishing executives who hold the power to buy books.

Ilias' interests include open-source software, network science, predictive analytics, and collective intelligence to support public-private partnerships locally and globally that can overcome society's most stubborn problems in fields including energy, environment, healthcare, education, employment, and poverty.

The manufacturer's most stubborn problem has been with peanuts.

Gangs were the city's biggest and most stubborn problem, a safety and public-relations nightmare.

"The hormones may keep making the pigmentation worse and worse, so you risk more side effects by using the products for too long". Many doctors say the over-the-counter products are a poor substitute for medical treatments, especially for melasma, one of the most stubborn pigment problems.

In fact, anarchists say in all seriousness, their most stubborn problem is poor public relations.

But that will be hard to do, given the most stubborn math problem of all.