重复和确认人们已经熟知和确信的事情是没有意义的。
Little reward accompanies duplication and confirmation of what is already known and believed.
人们通常会寻找能够确认他们已经存在的信念的东西，而忽略了那些和他们所认为的相反的事情。这就是所谓的期望确认。
People typically look for things that confirm their existing beliefs and ignore information that contradicts what they already think. This is known as expectation confirmation.
苹果公司已经确认了人们在其iPhone上想要对照片做三个关键的事情，并在照片控制中提供按钮来分别完成他们。
Apple has identified three key things people want to do with photos on their iPhone, and provides buttons to accomplish each of them in the photo controls.
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