I've written about this issue in the past, roughly three years ago when it first surfaced as an issue.

大约在3年以前，该问题刚刚开始浮出水面时，我曾经就该问题写过一篇文章。

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The first time I saw those words was about three years ago, in Chinese, written in huge font on a billboard along the road just after the Lupu Bridge in Pudong, Shanghai.

我第一次看见这几个字大概是三年以前，在上海浦东，下了卢浦大桥后往前开，路边的广告牌上就有这些字，中文的，字体很大。

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"Thirty years ago," Anne Lamott writes in her book bird By bird, "my older brother, who was ten years old at the time, was trying to get a report on birds written that he'd had three months to write."

“三十年前，”Anne Lamott在她的书中曾经写到过Bird By Bird，“我的哥哥在那时候只有十岁，他当时正努力想在三个月内写出一份有关鸟类的研究报告。”

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In a report written three years ago, researchers at the Criminology Institute at Malaga University said something was wrong.

ECONOMIST: Spain and corruption

Charles Grassley, R-Iowa, who missed the hearing but submitted written testimony that the Sarbanes-Oxley rules enacted three years ago might not have gone far enough.

FORBES: Hedge Hogs

As I wrote three years ago in the New York Post, Obamacare was written to paper over an intellectual divide between White House economists and healthcare policy wonks like Lambrew.

FORBES: Who's In Charge Of Implementing Obamacare And Why It Matters