他们不这样做的原因，以及为什么环境没有被破坏的原因，都与价格、技术创新、社会变革和政府应对公众压力的监管有关。

The reasons why they don't, and why the environment has not been ruined, have to do with prices, technological innovation, social change and government regulation in response to popular pressure.

youdao

即使他们不这样做，至少他们将永远知道，他们可以在没有电脑、电力和智能手机的情况下生活——即使只有几天！

Even if they don't, at least they will always know that they can live without computers, electricity, and smartphones—even if it is only for a few days!

youdao

你真的没有借口不这样做。

And you really have no excuse for not doing so, "said Hussain."

youdao

But they don't I don't know, it's just -there isn't enough initiative in the world, not many people do it.

但是他们没有这样做,我不知道,也许只是,主动性不够,没什么人这样做

耶鲁公开课 - 金融市场课程节选

There's not as much to do. It's not as cultured as New York.

但在我的家乡并没有很多事情可以做，那里不像纽约这样充满文化气息。

纽约和洛杉矶不一样 - SpeakingMax英语口语达人

So if you've ever done something bad like drop your laptop or smack your computer and you've never been told not to do this.

如果你以前做过类似的摔或拍打电脑,并且没有人告诉你不可以这样做。

哈佛公开课 - 计算机科学课程节选