You can refer to an article in a newspaper or magazine, some music written by someone, a broadcast, or a play as a piece .

（报纸或杂志上的一篇）文章；（一首或一部）音乐作品；（一段）广播节目；（一出）戏剧。

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One day in September while travelling, bleary eyed, on the London Underground, an article in a newspaper caught my eye: an opportunity to join a community project in Sierra Leone.

九月的一天，我睡眼朦胧地在伦敦地铁上，一份报纸抓住了我的眼球：参加部族客塞拉利昂项目。

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Ruan was quoted in a Thursday article in the China Youth Daily newspaper as saying that microresumes are an efficient way for both job seekers and employees to achieve their goals.

周四，《中国青年报》在一篇文章里提到了阮欣的话，他表示对于那些想实现目标的求职者与在职人员们来说，微简历是一种有效的方式。

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Over the weekend, I was out and about and saw an article in a Sunday newspaper (yes, I too was surprised that they still printed those things) and the teaser for the business section caught my eye.

FORBES: Playing The Rigged Game With Ratings Agencies On Wall Street

One day, his wife, Barbara, saw an article in the newspaper about a chaplain who was interviewing rescue workers at Ground Zero.

WSJ: Sometimes, Second Careers Are a Leap of Faith

China securities regulators have compiled a list of 10 companies that will be allowed to list shares on the pending international board of the Shanghai Stock Exchange, according to an article in a leading Chinese business newspaper on Friday.

FORBES: Foreign Companies to List Shares in Shanghai