它始于30年前的一只松鼠。

It started 30 years ago with a squirrel.

是富人比30年前更聪明了吗？

Is it that rich people are smarter than we were 30 years ago?

就如班杜拉30年前指出的那样…

As Bandura pointed out 30 years ago. . .

就如班杜拉30年前指出的那样…

As Bandura pointed out 30 years ago…

当我妈妈还在的时候，30年前。

When my mother was alive.Is that...? 30 years ago.

国际会计师杂志成立于30年前，在世界范围内有30，000名读者。

Founded over thirty years ago, International Accountant is a magazine that has a worldwide readership of 30,000.

30年前，美国太空总署持肯定的态度。

Three decades ago, NASA decided the answer was yes.

我还记得30年前，没人愿意吃鸡翅膀。

I remember 30 years ago no one wanted the chicken wing.

我多希望30年前能有人对我说这些话。

I wish that someone had said this to me 30 years ago.

这张旧照片使我回想起30年前结婚的日子.

The old picture carried me back 30 years to my wedding day.