约翰的手被割伤了，很严重，不过在手术室他们帮他缝好了。

John cut his hand badly, but they patched him up in the emergency room.

youdao

他们说他们帮他装上铝的侧板，并为他买了一张车票；

They said they installed aluminium sidings, and bought a bus ticket for him;

youdao

他们说他们帮他装上铝的侧板，并为他买了一张车票；但当他转身道谢的时候，他们却已经不见了。

They said they installed aluminium sidings, and bought a bus ticket for him; but when he turned round to say goodbye, they had gone.

youdao

There were other people around. Someone else would help," but we know by looking at it that this difference makes a real difference.

我身边还有其他人，他们会帮他的”,但如果我们细究起来,会发现这种差别能产生重大影响。

耶鲁公开课 - 心理学导论课程节选