The inns are informal and dress-up clothes are not required for dinner.

小旅馆是非正式场所，所以就餐不需要考究的衣服。

《柯林斯英汉双解大词典》

The ticket had a strict no-transfer policy, but since passport information was not required when booking, any Canadian Elizabeth Gallagher can use it.

票有严格的不可转让的政策，但由于预订时不需要护照信息，加拿大任何叫伊丽莎白·加拉格尔的人都可以使用它。

youdao

In Kenya, in the past, students were not required to attend school and the education was not free, either.

在过去，肯尼亚不要求学生上学，教育也不是免费的。

youdao

The Food and Drug Administration is not required to follow the advice of its committees, but generally does.

VOA: special.2009.07.21

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

I want to just go over the requirements of the course that really are required, not the optional piece, just so that you understand what my purpose is pedagogically.

我只想跟大家回顾一下,这门课程的必须要求，并非可以自由选择的,这样你们会理解我的目的何在。

耶鲁公开课 - 1945年后的美国小说课程节选

Consultants are not required to meet any educational requirements or have any specialized training.

FORBES: The Politics of Fraud: How Pension Politics Enable Money Managers To Commit Fraud (July 1, 2001)

In good times, when the FDIC fund was flush, banks were not required to pay premiums.

FORBES

The company is not required to pay the student or even provide housing or transportation assistance.

FORBES: What Is The Externship Program At MIT?