I wrote three books before I was twenty-one.

我二十岁之前就写了三本书。

youdao

I wrote three books in the first two years, a record never reached before.

我头两年写了三本书，打破了以往的记录。

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More than three years ago, I wrote a column about mistakes and my regret about making an error in an article.

三年多以前，我写过一篇关于犯错的专栏文章，我还写道，我为我某篇文章中的一个错误而懊恼。

youdao

But I just kept coming back to this piece that I wrote three years ago.

FORBES: Thanks, Dad.

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

Today, over at Digital Book World, I wrote a blog post about three kinds of digital book publishing start-ups that I am bullish on.

FORBES: Most Digital Publishing Start-ups Will Fail: This One Won't