当物质变成和原来不同的物质时,这种变化是化学变化。
When matter changes to a substance different from what it was, the change is a chemical change.
但是我通常不会解释其实这些项目的一些功能经常会和相关利益方原来希望的不同。
What I don't always explain is that the features these projects actually deliver typically vary from the stakeholders' original expectations.
十年过去了,这个地方和原来完全不同了,我们差点找不到这片公墓了。
After ten years, the place had really changed and we were having trouble finding the cemetery.
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