道别时对妈妈说 “Goodbye”，对老师说 “Guten tag”，或者要红色蜡笔时不说 “red crayon”，而说 “crayola roja”，这都需要调动“约束任务”和“切换任务”的技能。

Saying "Goodbye" to mom and then "Guten tag" to your teacher, or managing to ask for a crayola roja instead of a red crayon, requires skills called "inhibition" and "task switching".

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爸爸问，“你对老师说什么了？”

His father asked him. "What did you say to the teacher?"

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蒂姆对老师说“早上好”。他为她开门。

Tim says "Good morning" to the teacher. He opens the door for her.

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And what he found then was when he told these students-- the teachers-- what he told these teachers was that "it is just not a FYI-- you cannot tell the students this.

他发现…,他对这些老师说的是,“这只是仅供参考，不能向学生透露。

哈佛公开课 - 幸福课课程节选