The Bund is where old Shanghai meets new Shanghai.

外滩是新旧上海交汇的地方。

youdao

The city is a mixture of old and new buildings.

这座城市是新老建筑兼而有之。

《牛津词典》

The new tax is fairer than the old system.

新税制比旧税制公正。

《牛津词典》

A New York federal court judge has ruled that Mister Muse is at least eighteen years old and can be tried as an adult.

VOA: special.2009.04.25

My answer is, you can't change one but you can create a new one that is almost like the old one but different in a little bit.

既然你不能改变元组,你可以新建一个跟原来的元组,大体上一致但有细微差别的元组。

麻省理工公开课 - 计算机科学及编程导论课程节选

And so frequently what we try and do is, we take a new problem and map it onto an old problem so that we can use an old solution.

我们经常做的一件事就是，我们处理一个新问题时,把它归结为一个老问题,以便我们能采取老的解决方式。

麻省理工公开课 - 计算机科学及编程导论课程节选

Finding new planets is old hat to Geoff Marcy from the University of California at Berkeley, but that doesn't make his latest find boring.

NPR: Astronomers Find Planet with Similarities to Earth

But really, the new information is old.

FORBES: Latest Xbox Durango Leak: Games Must Be Installed to the Hard Disk

This question--what is new law, what is old law--is another hot potato.

FORBES: Top Of The News: Counting Justices