Coining a phrase is one thing, living up to it is another.

喊口号一回事，而能否实现一回事。

It's another thing to move a historic home.

但把一栋历史悠久的房屋搬走一回事。

Collecting as a serious hobby is quite different and has many advantages.

作为一种严肃的业余爱好的收藏活动完全一回事，它具有许多益处。

Whether he can maintain stable trade relations with America is another matter.

他否可以维系美国的稳定贸易关系又一回事了。

Whether it could actually be done is another matter.

然而这种做法能否付诸实践又一回事。

If we could rejuvenate, of course it would be different. But we can't.

我们如果能够返老还童，那又一回事了，可惜办不到。

Yes, but it's different actually seeing it.

，但实际看到又一回事。

But the speed of light, the light barrier, that's a very different story.

但要说到“光障”，那可就一回事了。

But airships were something else entirely.

但飞艇完全一回事。

While liquid water is no longer stable on Mars, frozen water, ice, is a different story.

虽然液态水在火星上不再稳定，但冰冻的水，冰，就一回事了。

But he went on to say quote again whether they affected the outcome is another question.

但他还表示否影响了选举结果一回事。

You know, there's pretending to be mother, and then, there's reality. Let's not push our luck, ok?

你要知道，想做好妈妈一回事，实际情况又一回事了。我们不要太勉强，好吗？

It is another thing for people to say that our demands are too aspirational.

人家说我们要求太高又一回事。

It is all these things, but it is something else.

它所有这些东西，但它一回事。

We're not very proud, but that's a whole other story.

我们不很自豪，但那一回事了。

Well, here, we're not talking about apostrophes and possessions, this is something else.

好吧，这里我们不在谈论撇号和所有格，这一回事。

It was something else that it was spun that way.

那样说完全一回事。

And the in your internships that's that's entirely separate right.

而且你的实习完全一回事。

As for the grave there being as quiet as you mention, it is another matter.

至于像你说的坟墓那里安静，那就一回事了。

He was, Jason was something else. I was caffeinated.

他，杰森一回事。我喝了咖啡。