We have been there before, she said on Monday, Dec. 2. The comparison bears consideration; what follows is a series of photo pairings& smog in London then, and in China now.

Talk regularly with peers and advisors who have been there before you.

定期的和在你之前获得成功的同事和顾问们交流。

Some of the best places to go for answers are to those who have been there before via a local user group or one of the many online developer-centric mailing lists.

这些问题的最佳答案应该到先行者那里去寻找，他们可能存在于某个本地用户社区，或者众多在线的开发者邮件列表中的一个。

I have been there twice recently.

我最近去过图书馆两次.

I have been there twice.

我去过两回.

The play was very amusing, you ought to have been there.

此剧很有趣, 你应该去看.

The play was very amusing; You ought to have been there.

此剧很有趣; 你应该去看.

He may have been there, but I did not see him.

他可能到那里去了, 但我没看见他.

I have been there many times since the war.

自那次战争以来,我曾去该地多次.

You know so much about the city. You must have been there.

您对该市这么了解, 一定是去过那儿.

Back then, only a few natives could have been there to see it land.

然而却仅有几个当地人曾亲眼目睹它的坠落.

Then you have been much juster to us than we have been to you.

那么,你很对得住我们,我们却待你太坏了.

Once we laid down the challenge, our next move should have been to follow it up.

我们一旦接受了挑战, 下一步的行动就应该紧紧跟上.

Of course, we have been to the monster church of St. Peter, frequently.

不用说, 我们常到巍峨的圣彼得教堂.

Both children have been to Greece.

两个孩子都去过希腊.

I shall never forget how kind you have been to me, Smirke.

我永远不会忘记你待我的那些好处, 斯默克.

I have been to New York, too.

我也到过纽约.

I have been to see John.

我去看过约翰了.

He may have been to some of those places.

那些地方他也许去过一些。

There have been some problems but basically it's a good system.

虽然出现过一些问题，但这基本上仍不失为一个好系统。

His family have been a very positive influence on him.

他的家庭对他有十分良好的影响。