"Dopamine is considered a neurotransmitter that is crucial for our ability to perceive rewards and to be motivated in our behavior."

VOA: special.2009.09.16

Now I have the ability to say, I've got a new class, I can create instances of a line segment, and it's elements are themselves instances of points. OK?

这就是我们要讲模块化的地方了，现在我可以说，我创建了一个新类，我可以创建线段的实例了,这些实例的元素？

麻省理工公开课 - 计算机科学及编程导论课程节选

Talk of smiles is just a way of talking about the ability of the body to smile, to form a smile.

我们会谈到笑只是为了表达,肉体具有笑的能力,能够微笑

耶鲁公开课 - 死亡课程节选

Your ability to break a big story, doggedly follow a tip or score a career-making interview should be based on grit, determination, a can-do attitude and a killer ability to craft a lede.

FORBES: Are Creative Careers Now Reserved Exclusively For The Privileged?

The present case involves lost sales -- not a lost ability to be a viable market participant.

ENGADGET: Judge denies Apple a permanent ban on Samsung devices, tosses Samsung's attempt at a new trial

The country was tired of polarization, and Mitt could provide a problem-solving antidote, a demonstrated ability to bring a Republican solution -- the individual mandate -- to a problem that Democrats traditionally cared most about.

CNN: Romney bailed out on Massachusetts