It's like the phonebook of yesteryear - you need to be on it.

网络就像多年前的电话簿，你必须列名其上。

youdao

Just like most people wouldn't let kids cook in the kitchen or drive a car without first teaching them, kids need to know how Facebook works and how to be on it appropriately.

就像大多数人不让孩子在厨房做饭或是开车不先教他们孩子们需要知道Facebook的操作流程以及如何得体使用。

youdao

It was good to be back on dry land again.

回到陆地上真好。

《牛津词典》

Thank goodness for Congress and the Admirals that think it's important because women are going to be on submarines."

VOA: special.2010.05.21

And that's how it actually gets to be so quiet when you have on, supposedly, these quite expensive headphones.

所以你戴上它后会觉得,周围非常安静，可想而知,这种耳机非常贵的。

麻省理工公开课 - 化学原理课程节选

But it's really a chance, especially for those less comfortable, to be set off on a very specific path.

这的确是一个机会，特别对于那些不怎么舒适的，这是通过,特殊途径开始的好机会。

哈佛公开课 - 计算机科学课程节选

"They should be on it for as long as they need to be on it, " he added.

BBC: HRT hype 'means women miss out'

"That's been frustrating for me just because I have a certain routine, and I want to be on it, " he said.

WSJ: Yanks plan to activate Pettitte on Monday

"Within three days of announcing the label, we had over 1, 000 artists contacting us, wanting to be on it, " says Mr Velasco.

BBC: Indie music label Cherry Red rocks on at 35