Specializing

He is specializing in the study of economics.

He's a researcher specializing in radical Islamists.

I don't like specializing in a couple of things, because then I see someone else do something I didn't specialize in, and it makes me feel useless.

The wealth gap is prevalent in Asia, attracting more white people to come to Asian countries for more privileges, according to Tong Yuying, professor of sociology at the Chinese University of Hong Kong specializing in social demography and migration.

The Top 10 Species list is compiled annually by the International Institute for Species Exploration, or IISE. It calls attention to discoveries that are made even as species are going extinct faster than they are identified. From among the 18,000 new species named last year, a committee of taxonomists chose the ones that made the 2015 list. They include a bird-like dinosaur, dubbed the “chicken from Hell,” that was 3.5 meters from beak to tail and weighed as much as 300 kilograms; a spider that lives in the Moroccan desert and can use its gymnastic talents to cartwheel out of danger; a 23-centimeter-long walking stick common in Vietnam; and a colorful sea slug from the Japanese islands that is the missing link between slugs that feed on colonies of tiny stinging jellies and those specializing on corals.

A patent attorney is a type of lawyer specializing in intellectual property.

What are you specializing in?

Nearby, Donald Ellis, a Canadian dealer specializing in Native American art, was admiring the Crow Indian buffalo-hide robe he was selling.

The mobile guard serves in mobile gendarmerie squadrons, specializing in public order maintenance.