We all have pain in our lives, whether it's the jackhammer snarling across the street, or the sudden wave of anxiety when we get up to give a speech.

我们在生活中都有痛苦，无论是在街对面吼叫的手提钻,还是当我们站起身发表演讲时突然而至的一阵焦虑。

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I practiced my speech in front of a video monitor, did a walk-through of how it would be staged, received instruction on where to stand, where to wave, and how to best use the microphones.

我在视频监视器前面练习我的演讲，做了一个初排，分析该怎么样开场，被指导该站在哪里，该在哪里挥手和最佳的使用话筒的方法。

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Indeed, Stair represents a new wave of ai, one that integrates learning, vision, navigation, manipulation, planning, reasoning, speech and natural-language processing.

Stair确实代表了人工智能的一个新潮流，它集成了学习、视觉、导航、搬运、规划、推理、言语和自然语言处理等多项技术。

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