All this while, Hester had been looking steadily at the old man, and was shocked, as well as wonder-smitten, to discern what a change had been wrought upon him within the past seven years.

在他俩谈话的这段时间里，海丝特一直不错眼珠地盯着那老人，她惊奇地注意到，在这七年之间，他发生了多么明显的变化。

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What is needed is a change from the inside, a real change in outlook and attitude.

所需要的是来自内心深处的改变，在观点和态度上的真正改变。

《柯林斯英汉双解大词典》

It signals a change in what has, until now, been a key element of scientific endeavor.

这预示着科学探索中关键因素发生了变化。

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Senator Davis said that what was needed was a change in the North's policy toward the South.

VOA: special.2009.03.26

So if we have a negative change in energy for any reaction as it's written, what that actually means is we're giving off energy as the reaction proceeds.

如果我们像这里写的这样,在任何一个反应过后，得，到的能量变化为负值,这就意味着我们在这个过程中放出了能量。

麻省理工公开课 - 化学原理课程节选

What is that called when you change the fundamental pitch in a piece, going to a different pitch level?

当你改变曲子的音高的时候,这叫什么,改变音高的层级吗

耶鲁公开课 - 聆听音乐课程节选

Unidentified Woman: (Singing) Bring out all the love you hide and, oh, what a change there'd be.

NPR: A Conversation with Lynn and Vanessa Redgrave

What a change this is from a few years ago.

FORBES: U.S. Challenged To Maintain Military Supremacy Against Tide Of Economic Decline

What a change, what a relief, what a difference.

CNN: Finally, a president who takes responsibility