The book sold 20 000 copies within two weeks.

这本书在两周内销售了2万册。

《牛津词典》

According to the law, all foreigners have to register with the local police within two weeks of arrival.

依据法律，所有的外国人都必须在到达后两周内登记。

youdao

Within two weeks, he was talking for the first time with the board of Hartford Financial Services Group, which named him CEO and chairman on September 29.

不到两周，他就与哈特福德金融服务集团的董事会进行了首次谈话，该集团于9月29日任命他为首席执行官兼董事长。

youdao

He says the changes went into effect on May twenty-ninth with the goal to process all requests within two weeks.

VOA: special.2009.06.11

Within two weeks, more than fifty thousand had reached Fort Monroe, southeast of Richmond.

VOA: special.2009.09.17

About two hundred farmers signed up for the insurance within the first two weeks that it was being offered there.

VOA: special.2010.05.11

The company warned passengers to expect teething problems, but promised to fix them within two weeks.

BBC: Jersey's bus company in timetable blunder

They instead must place an order, and the Japanese company promises to deliver within two weeks.

FORBES: Magazine Article

This one has been completed -- a preliminary report -- within two weeks' time.

WHITEHOUSE: Press Briefing on Security Review