The camera is actually not only understanding your hand movements, but, interestingly, is also able to understand what objects you are holding in your hand.

摄影机不只了解你手部的动作，而且，它还知道在你手里拿着的是什么东西。

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Part of purposefulness, however, is not only understanding users' goals but also understanding their limitations. User research and personas serve well in this regard.

目标明确不仅在于理解用户目标，还在于理解他们的局限，角色和用户研究对此很有帮助。

youdao

Part of purposefulness, however, is not only understanding users' goals but also understanding their limitations. User research and personas serve well in this regard.

目标明确不仅在于理解用户目标，还在于理解他们的局限，角色和用户研究对此很有帮助。

youdao