I have applied for my social security number since two weeks ago.

我己经申请社会安全码将近两个星期了。

youdao

It's been two weeks now since she called.

她到现在已经有两个星期没来电话了。

《牛津词典》

He left home two weeks ago and we haven't heard from him since.

他两周前离家外出，我们至今还没有他的音信。

《牛津词典》

The U.S.military has been searching for Private Bergdahl for about two weeks, since he reportedly disappeared during a patrol.

VOA: standard.2009.07.20

It's been more than two weeks since Pakistani-American Faisal Shahzad allegedly attempted to detonate a bomb in New York City's crowded Times Square.

VOA: standard.2010.05.18

European skepticism about the vaccine comes as the Stockholm-based European Center for Disease Control and Prevention reports the number of deaths in Europe due to the H1N1 virus has been doubling every two weeks since mid-October.

VOA: standard.2009.11.25

This free iPhone app, has garnered nearly 200, 000 downloads since its release two weeks ago.

FORBES: By Being Unorthodox, Kraft Transforms Itself Into A Creative Powerhouse

Markets have been showing great commitment to this bounce since it started two weeks back.

FORBES: New Life For Apple, Facebook, Google As Walking Dead Start Running Again

Here's what I knew - David had been living in this orphanage since he was two weeks old.

BBC: ON DAVID