The expression on his face never changed.

他的面部表情总是一成不变。

《牛津词典》

He never changed her diapers, never bathed her.

他从不给她换尿布，也不给她洗澡。

《柯林斯英汉双解大词典》

Heidi never knew if it was summer or winter, for the walls opposite never changed.

海蒂不知道现在是夏天还是冬天，因为对面的墙从未变过。

youdao

But one thing has never changed.

VOA: special.2009.04.06

Of course the price of gold never changed in the gold standard because that was the whole point of the gold standard that's if currency was convertible into gold.

当然，在金本位制度中,金子的价格从来没有变过,因为这是金本位制度,的核心所在,如果货币能够与金子转换的话。

耶鲁公开课 - 金融市场课程节选

Now, if that potential changed and it stayed changed forever, then the cell would never go back to its resting state.

如果电势变化并且不再恢复到原始电势,细胞就永远不会回到静息状态

耶鲁公开课 - 生物医学工程探索课程节选

"The thing about John that I will always remember was he never changed, " he said.

BBC: Bond composer John Barry dies aged 77

I've known him since he was in the minor leagues, and he's never changed once.

WSJ: Yankees closer Rivera says this is final season

She could have gotten the password then in Afghanistan or maybe he never changed it.

FORBES: General David Petraeus Not Very Good At Cyber Defense