At the moment, I specialize in quantitative advertising research, which means that I do two types of projects.

目前我专攻定量广告研究，这意味着我会做两种类型的项目。

youdao

I'm a psychology professor at the University of British Columbia, I specialize in cultural psychology, examining similarities and differences between East Asians and North Americans.

我是英属哥伦比亚大学的心理学教授，专攻文化心理学，研究东亚人和北美人之间的异同。

youdao

I specialize in English literature.

我现在主修英国文学。

youdao

"I specialize in a very specific type of security: subconscious security."

VOA: standard.2010.07.16

I mean there's a lot of agencies out there that specialize in third-world country brides, that are coming from poverty,uneducated, that kind of thing."

VOA: special.2011.02.14

I'm actually a professional rocketeer, I specialize in rocket fuel.

NPR: 'Voices of Chernobyl': Survivors' Stories

Secondly, on another personal note, I have in the past worked with Russian academics who specialize in the field of healthcare and demographics.

FORBES: A Case Study in the Fecklessness and Idiocy of Russian Liberalism

Nobody mourned, and I found other areas to specialize in.

FORBES: Bad Energy Policy And Its Effects In The Oil And Gas World