not required

基本解释

And failures beyond those are not required.
超越那些的失傚則是不要求的。
Knowledge of any of these is helpful, but not required.
了解這些儅然很有幫助，但也不是必需的。
This partition is not required if your computer uses BIOS to boot.
如果您的計算機使用 BIOS 引導，則不需要這個分區。

The Food and Drug Administration is not required to follow the advice of its committees, but generally does.
I have it on reserve, but that's not required for the mid-term; it's just if you're interested in seeing it.
我將其列爲推薦書目,但不作爲期中考試要求,如果你們感興趣的話可以去讀一下
耶魯公開課 - 金融市場課程節選
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.
你們中很多人新來到波士頓地區，現在我仍認識到，我想讓你們知道在麻省理工學院,不一定必須做一個紅襪隊的球迷。
麻省理工公開課 - 化學原理課程節選

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)