We learn it as a child, maybe study a new language at school, or pick up some choice phrases for a holiday trip.

当我们还是婴孩时，我们学习自己的母语；当我们上学的时候，也许我们会学习一门新的语言，或是为了一次假期旅行绞尽脑汁费尽唇舌。

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Ubiquity handles natural language command phrases, so you can theoretically enter a command the way you intuit it, without having to learn the formal syntax.

Ubiquity可以处理自然语言形式的命令(译者注：当然是指英语)，因此理论上你可以凭直觉直接输入命令，而不用学习那些繁琐的语法。

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When children learn a language, they learn both words and phrases together.

当孩子们学习一种语言时，词和短语他们都学。

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Below are the key words or phrases that I always try to learn in the local language before travelling (or you can carry a cheat sheet with you, like the one I used in Paris).

BBC: Nine must-learn local phrases