We got to the root of the problem.

我们触及了这个问题的根源。

《柯林斯英汉双解大词典》

'Walk' is the root of 'walks', 'walked', 'walking' and 'walker'.

walk是walks、walked、walking和walker的词根。

《牛津词典》

Many people condemn advertisements as the root of over-consumption.

许多人指责广告是人们过度消费的根源。

youdao

At the root of the sharp price decrease is reduced demand because of the economic downturn.

VOA: special.2009.01.03

But you do, in fact, have to worry about long-term exposure, cyanide poisoning in terms of long-term effects in certain populations that do get the bulk of their carbohydrates from this root, from the root of the Cassava plant.

但是你确实，不得不担心长时间的接触，氰化物的慢性中毒会对,从木薯根中获取大部分,碳水化合物的部分人群产生影响。

麻省理工公开课 - 化学原理课程节选

Charlie you often complain that accountants are the root of much evil and also even more folly.

查理，你经常讲到会计是当今,糟糕经济的根源。

斯坦福公开课 - 经济学课程节选

Bad regulations are always at the root of black markets and the criminality they spawn.

FORBES: Migranomics Instead of Walls

The point being that money and stature was at the root of all those realignment decisions.

FORBES: Tradition Fades When Media Revenue Pays in Conference Realignment Game

Failure to do this effectively may be the root of some post-natal mood problems, they said.

BBC: Chemical clue to baby blues found