在现实世界中，问题很少会被完美地包装起来，因此能够识别它们的深层结构是关键。
In the real world, problems rarely come neatly packaged, so being able to discern their deep structure is key.
抽象是一种艺术风格，它并不总是体现出可识别或现实的事物。
Abstraction is an artistic style that does not always show something recognizable or realistic.
另一方面，现实世界的语音识别更多是用于日常任务。
On the other hand, real-world voice recognition is used for more everyday tasks.
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