He quickly learned there wasn't a simple answer.

他很快意识到没有一个简单的答案。

youdao

He quickly learned the ins and outs of the job.

他很快就掌握了工作的全部诀窍。

《牛津词典》

He quickly learned what the market has demonstrated: Demand for grass-fed products currently exceeds supply.

他很快了解到市场的情况：目前草饲料产品供不应求。

youdao

He quickly learned he would have to cross almost 800 kilometers of the great Syrian Desert.

VOA: special.2009.01.14

He quickly learned how best to use the new photographic telescope at the observatory.

VOA: special.2010.07.11

He soon learned,however, that he could not move as quickly as planned.

VOA: special.2009.09.17

He quickly learned to negotiate his way around India's suffocatingly regulated business regime.

CNN: FROM TRADER TO TYCOON

Wynalda said he quickly learned in Germany that there is a certain do-whatever-it-takes-to-win attitude that can make teams tougher in big events.

WSJ: Germany's Bundesliga Finally Deserves Some Respect

On finishing business school in 1971, Mr Hindery signed up to a quintessential 19th-century industry, a mining company named Utah International, where he quickly learned two important lessons.

ECONOMIST: Business deals