A college education will enable me to specialize in a certain field of knowledge, such as medicine or law, preparing me to become a professional.

大学教育将使我能够专注于某些领域的知识，例如医学或法律，让我成为专业人士。

youdao

They have been interested in a certain field and have worked hard on it, so they want a certificate to justify their efforts.

他们一直感兴趣的某个特定领域并且努力的学习，所以他们想要一个证书来证明他们的努力成果。

youdao

For those looking to hire, you can post a Twitter update asking your followers if they know anyone with skills in a certain field.

如果要招聘，可以发布一个Twitter更新，询问您的追随者是否知道有人具有某个方面的技能。

youdao

If you know a lot of facts about a certain field like taxes, accounting, business start-ups, art collections, history or any topic you can think of then you could possibly become a consultant.

FORBES: Businesses You Can Start For Under $1,000

The students are creating a network, motivating people to join their learning community, they are able to track inside this network who learns what faster than others, who is more knowledgeable in a certain field.

FORBES: Unishared: Revolution in Online Education Beyond Coursera, Edx, and Udacity

Well, in one way that sounds like an OK idea, a single set of rules for a certain type of finance: a level playing field and all that.

FORBES: Banking Regulation, Yes, But Perhaps Not Stupid Banking Regulation?