Many top websites do a poor job of defining just what is and is not personal information.

很多大网站在定义区分哪些是、哪些不是个人信息上都做得不够。

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They are worthless when you are trying to specify what is and is not required in your message.

如果您想要指定消息中需要和不需要哪些内容，那这两样东西都是没有用的。

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Addressing the individual in a group setting sends a clear signal to everyone about what behavior is and is not tolerated.

在团队中对这个人的处理就是对所有人传递的一个明确信号：何种行为是允许的，何种行为是不能容忍的。

youdao

And if that is not fast enough, then people can drive to another part of the modern transportation system: the airport.

VOA: special.2010.04.26

The third reason why I want to talk about it is because it gets to misunderstanding that many people have regarding what positive psychology is and is not.

第三个原因,因为它引起人们,对何为积极心理学的误解。

哈佛公开课 - 幸福课课程节选

The decay of Christian belief and practice is not a loss but rather an opportunity for poetry, in Crane.

基督教信仰和践行的衰败,在克莱恩看来，并不是损失，反而是诗歌新生的机会。

耶鲁公开课 - 现代诗歌课程节选

What is interesting, though, is the fuzzy line between what is accepted and what is not.

FORBES: Iman Shumpert Gets Adidas Logo in Haircut, Scolded by NBA

There has been some confusion about what Organizing for Action is and is not.

CNN: Why we're raising money to support Obama agenda

Deciding who is and is not a dominant male is the first question, of course.

ECONOMIST: Odour and mating preferences