They often specialize in a particular field such as diabetes or asthma .
他们通常专攻一个领域，例如：糖尿病或哮喘。
There are also websites that specialize in reviewing new apps .
还有些网站是专门评论最新的apps。
Start-up costs are lower because each business can specialize in just one narrow segment .
启动成本较低，因为每个企业都可以只专门从事一个很窄的领域。
I tried two that specialize in photographs and movies and found both delightful .
我试过两家照片和电影转换专营店结果都很令人满意。
Faculty members almost universally specialize in one functional area and typically lack the expertise to teach ( or sometimes even to cross-reference ) material from others .
大学教员几乎普遍都擅长于一个功能领域，而且特别缺少教授（或者说跨学科引用）其他领域的的技能。
These predators specialize in hunting other spiders and use different techniques depending on their prey .
这些掠食者专门猎食其他蜘蛛，并且根据猎物的不同捕猎技术也不一样。
Murphy heads the center for robot-assisted search and rescue where she commands an arsenal of unmanned craft that specialize in emergency response .
墨菲主管机器人协助搜救中心，在这里她还指挥大量的专门用作突发事件响应的无人驾驶飞行器。
Laurel delaney runs globetrade.com and laureldelaney.com chicago firms that specialize in international entrepreneurship .