It isn't a school subject or an academic discipline, but it can be learned; It is a quality that is required of artists, but it is also present in the lives of scientists and entrepreneurs.

它不是一门学校的科目或学术学科，但它是可习得的；这是艺术家必须具备的品质，但它也存在于科学家和企业家的生活中。

youdao

It is required by law that a driving test be taken before a man gets a license.

法律规定，一个人在取得驾照之前必须参加驾驶考试。

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It used to be that the second semester of International Banking was an elective, but now it says it's a required class.

以前，第二学期的国际银行学是选修课，但现在它变成了必修课。

youdao

"It not only will affect the growth and the economic development, but it will have a severe consequence especially on the disaster emergency relief funding that will be required,"

VOA: standard.2009.12.21

So, many of you are new to the Boston area, now I still realize, and I want to let you know it's not required that you be a Red Sox fan to be at MIT.

你们中很多人新来到波士顿地区，现在我仍认识到，我想让你们知道在麻省理工学院,不一定必须做一个红袜队的球迷。

麻省理工公开课 - 化学原理课程节选

A kilocalorie, and this is really what we--when people talk about calories, how many calories in food, it's really kilocalories that they're referring to, but that would be the energy required to raise a kilogram of water one degree centigrade.

一千卡,是人们讨论卡路时是真正用的单位,当提起食物中的热量,人们指的是多少千卡,一千卡,是将一千克水提升1℃所需要的热量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Nor does it require that such garnishments be required of sailors that were US citizens only.

FORBES: Congress Passes Socialized Medicine and Mandates Health Insurance -In 1798

We will need about three days after the weather calms to less than three to five feet for that vessel to be able to hook up to the flexible coupling that it will be required to do.

WHITEHOUSE: Press Briefing

It didn't cover all of the available time slots, and it required that appointments be made at least 24 hours in advance.

CNN: Analysis: Brace yourself for the e-scheduling revolution