or so通常放在句末，而about放在句首，這兩個詞均可來表示“大約”，例句：This piece of equipment weighs about (around)10 tons.This piece of equipment weighs 10 tons or so.

You can back up another two feet or so.

你可以再退兩英尺左右。

We are expecting thirty or so people to come.

我們預(yù)計要來三十人左右。

It'll cost € 100 or so.

這大約要花100歐元。

George is going to help me, or so he says.

喬治會幫我——他是這么說的。

She never saw him again ─ or so the story goes.

從此她再沒有見過他——或者據(jù)說如此。

Did you see her piece about the Internet in the paper today?

你看了今天報紙上她寫的關(guān)于互聯(lián)網(wǎng)的文章沒有？

He hopes to write a book about his experiences one day.

他希翼有一天寫一部關(guān)于自己經(jīng)歷的書。

It's about this high.

大約有這么高。

He doesn't like to talk about his private life.

他不愿談及他的私生活。

There was much discussion about the reasons for the failure.

就失敗的原因進(jìn)行了大量的討論。

來源：高三網(wǎng)