有些人认为在网上交朋友是危险的，因为他们可能被网友欺骗。

Some people argue that it is dangerous to make friends online because they may be cheated by online friends.

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网上购物相对于开车去商店来说是一个更便捷的选择，因为网上购物能节省时间。

Shopping online is a convenient alternative to driving to the store, because it helps save time.

youdao

现在越来越多的人在网上购买衣服，因为这省钱又省时间。

At present more and more people are buying clothes online to save time and money.

youdao

So come on up and I'll--okay, But you have to be comfortable on stage, that's the catch 'cause this will be going out on the Internet.

请你们上来，好的，但是，在台上你们必须放松，这是重点，因为这视频会放到网上。

哈佛公开课 - 计算机科学课程节选

I bought it for $1,000 on a website because I was interested in indexed bonds.

我用1000美元从网上买了下来,因为我对这种债券很感兴趣

耶鲁公开课 - 金融市场课程节选

So, I actually paused for a moment to take some photographs after this particular experience because after walking this woman who happened to be, I mean she was at least 70 plus years old I would say, no offense if she's watching this on the Internet now and I got that wrong, but at least 70 years old.

所以，通过这个特殊的经历后,我停下来一会儿，拍了一些照片，因为这种事发生在,这位老太太身上,我的意思是她至少有70多岁了，我想说，如果她在网上看看这个，就不会犯错了,但是我错了，她至少70多岁了。

哈佛公开课 - 计算机科学课程节选