Time would be needed for democracy to take root.

民主的深入人心需要时间。

《柯林斯英汉双解大词典》

This may be the one of the root causes for your so called unhappiness feeling.

这也许是你有不开心感觉的根源之一。

youdao

This could be the root document for a Web server, or it could be a Web page that describes, in a human readable format, one or more Web services that appear in the WS-Inspection document.

它可能是Web服务器的根文档，或者是以人们可读的格式描述WS - Inspection文档中出现的一个或多个Web服务的web页。

youdao

Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

Then if I'm looking for the square root of something less than 1, I know it will be in my region, right?

如果我要求平方根的数小于,我就知道我们的答案应该,在0-1这个区间了，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

The abandonment of such a study or its adulteration for current political purposes would be a terrible loss for all of humanity, and at the base, at the root of that civilization stood the Greeks.

如果出于政治的目的而对此段历史,视而不见甚至完全摒弃,这对全人类,将是一个巨大的损失,追根溯源,这一切都根植于希腊文明

耶鲁公开课 - 古希腊历史简介课程节选

Even though reality TV seems to be the root cause for all of our declining values, this genre is, once again, blamed for turning fathers into selfish ego-monsters.

FORBES: Millennial Dads: Why Must We Make Sacrifices For Our Kids?

Then again, when she gets an earful of the British argument it might not be so hard to root for illegality.

FORBES: Was The Declaration Of Independence Legal? Brits Will Argue 'No' Tomorrow

Much more must be done for preventive mechanisms and for actions to address the root causes of violence against journalists and of impunity.

UNESCO: World Press Freedom Day 2013