That is the fundamental idea that may seem simple and obvious to you, but it certainly wasn't back when the idea first came up.

刚才讲的就是最基本的概念,可能看起来比较简单明显,但这些概念刚出现时并不被广泛理解

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And you don't speak the language, but you do speak English because you've mastered these simple patterns.

你并不会说当地的语言，但你已经掌握了这些简单的句型，能够用英语交流。

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