Safety design is a particular challenge in a small, lightweight car.

The particular challenges they face have attracted attention in Washington.

One explanation is that the more traditional countries face particular challenges when their women do start to work.

Kids are a particular challenge, especially at an age when they have more free choice.

School can also present a particular challenge for a child with type 1 diabetes.

What everyone didn't know was how to get safely through a particular challenge.

In any new industry, managers have to learn how to deal with the particular challenges of the business.

"On the other hand, Mexicans will present a particular challenge for the educational system."

The field of research and development faces particular challenges in this respect.

This is a particular challenge in areas with significant natural limitations.