Although it is so old.

虽然很古老。

youdao

One, and only one finds the ultimate goal of any experienced wind and rain not let go, Although it is so trivial, he is also a winner.

一个人，只有认定最终一个目标，经历任何风吹雨打都不放手，尽管那是个那么微不足道的小事，他也是个胜利者。

youdao

I've only had two driving lessons so far and my instructor is very understanding, so I'm really enjoying it and I can't wait for my next session although the lessons are rather expensive.

到目前为止我只上过两次驾驶课，我的教练非常善解人意，所以我真的很喜欢上课。虽然课程很贵，但我已经迫不及待想要上下一次课了。

youdao

So although it has seemed to people over the ages that the question, "Is there life after death?"

因此虽然这看起来,这是个老生常谈的问题,但"死后能否继续活着"

耶鲁公开课 - 死亡课程节选

So although it is controversial,

尽管动物实验具有争议性，

需要动物实验吗？ - SpeakingMax英语口语达人

Although this is a form of an argument that Plato does put forward in other dialogues as well, and so it strikes me so there's at least some reason to think this is an argument that he felt might well be right.

由于这个型相的论点,柏拉图在其他的对话录里也提到过,所以这令我觉得他可能,觉得这个论点可以成立

耶鲁公开课 - 死亡课程节选

The country's attachment to this means of payment is a long one and, although it is fading, it is doing so slowly.

ECONOMIST: America's new law on cheques

"It is snowing so strongly that although the snow is being plowed away, it piles up again immediately afterward, " he said.

CNN: Heavy snow snarls travel in northern Europe

So although it is true Brazil has a lot of spare farmland, it did not just have it hanging around, waiting to be ploughed.

ECONOMIST: Brazilian agriculture