The idle boy is almost invariably poor and miserable; the industrious boy is happy and prosperous.

懒散人总是一成不变地贫穷着、痛苦着，勤奋人是快乐而且充满希望。

And I'm the only waitress working as usual.

而且就一人万年不变地忙来忙去。

I appealed to Hans. He maintained his course inflexibly.

向汉斯求助。他一成不变地坚持自路线。

They had to learn all the chants and prayers off by heart so that they were preserved and handed down, unchanged.

他必须背诵赞歌和祈祷文，以便将它保存下来，不变地流传下去。

Do you think these great houses like Downton Abbey are going to go on just as they are for another 40 years?

你真觉得唐顿庄这样宅子还能一成不变地继续运作四十年吗？

We listen to differences; we discount sounds that remain the same.

保持不变声音逐渐地不理会。

His employment may, upon most occasions, be as constant as he pleases.

在大多数情况下，他工作可以随心所欲地保持不变。

There is one product category, however, that has remained stubbornly unchanged: When it comes to grandma's nutritional shake, Ensure and Boost still rule the market.

然而，有一个产品类别一直顽固地保持不变：当谈到奶奶营养奶昔时，Ensure 和 Boost 仍然统治着市场。

The first is the invention of writing, which alone gives human nature the power of transmitting, without alteration, its laws, its contracts, its annals, and its discoveries.

第一个是文字发明， 它赋予人性以不变应万变地传播其法律、契约、编年史和发现能力。

My feelings remain unchanged, as they ever will; and why should I suffer the pain of a delay in giving them vent, which can be productive of no earthly good?

感情一如既往地保持不变；为什么要忍受延迟发泄痛苦，这尘世没有好处？

It will be remembered that the obstinate fellow had insisted on keeping his famous family watch at London time, and on regarding that of the countries he had passed through as quite false and unreliable.

总还记得这个顽固小伙子曾一直让他那个传家之宝大银表，一成不变地保持着伦敦时间。他在沿途各地都一直认为别人钟表所指示时间是错误。

And it always seemed to be the wisdom that only these two survived for maybe 6 million years or more without changing and this caused quite a bit of doubt to us, so we thought we'd re-evaluate all the material.

一直认为只有这两种禽龙一成不变地存活了 600 万年或更长时间，这让产生了不少怀疑，所以认为应该重新评估所有材料。