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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由于大多数任务都是自动执行的，对可以并行执行的资源数量几乎没有约束。

Because most of the tasks are automated, there are little or no constraints on the number of them that can be performed in parallel.

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然而，用文本约束细化类模型是耗费时间并且易于出错的任务。

However, refining class models with textual constraints is a time-consuming and error-prone task.

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Yet each of us will be confined it seems to only one task in the social hierarchy.

但我们每一个人都会被约束,这在社会阶层中看来似乎仅是一项任务。

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