Commissions another to perform task or duties which may carry specific degrees of accountability and authority.

委任另一个人去执行任务或行使职责，同时可能附带相应的权力。

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This study shows that Broca's area is involved in both speaking and comprehension, illustrating that parts of the brain perform more than one task.

VOA: standard.2010.01.15

In fact, election observers, so long as they perform their task honestly, are worth keeping in business.

ECONOMIST: Monitored polls, ignored reports

They don't have a second thought about the fact that they're using a robot to perform a task.

FORBES: Magazine Article

It's hard to believe he can competently perform this task if his only experience in a similar situation ended in failure.

WSJ: Review & Outlook: Treasury Gets a Citibanker