没有痛过，就不会有改变。

Without pain, there would be no change.

youdao

如果这段关系能持续一个世纪，那么这两个伴侣在有生之年都应当不会有改变。

If the relationship can be lasted for a century, or just within the entire lifetime, with no changing from both partners.

youdao

很多人期待经济大突破，可是还是一贯做同样的工作、职位或者什么的，当然那不会有改变啊！

Many people expect a breakthrough in their finances but they are still doing exactly the same job, in the same position etc, then of course nothing will change!

youdao

Clearly, if I did nothing more, but I took every car, doubled its fuel economy, its emissions would go to 50% of what they are now, no other changes being made.

显然，如果我什么也不做，但是我把没量车的汽油价加倍，汽车废气排放量就会是现在的一半了，别的不会有什么改变。

麻省理工公开课 - 固态化学导论课程节选

But if we don't look at our fundamentals, we're not going to change much.

但是如果我们看不到我们的基本层面，我们就不会有很大改变。

想要消除不平等 - SpeakingMax英语口语达人

It's going to take place in there. It's going to be a constant pressure, it might be open to the air, or even if it isn't, there might be plenty of room, and it's a liquid anyway, so the pressure isn't going to change significantly.

也许它是液体，它在这个位置,这是恒压的，它也许是连通大气的，就算不是，它也有，足够的空间，而它是液体,压强不会显著地改变。

麻省理工公开课 - 热力学与动力学课程节选