首先，它是一个更方便的常用语法。

First, it's a familiar syntax which is more convenient.

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学完本册，学生可以掌握500多个生词、近40个重点词语或语法、24个常用语素和近100个相关词语、27组近义词辨析以及30多个成语。

The students can learn over 500 new words, nearly 40 key words or grammar, 24 commonly-used morphemes and nearly 100 relevant words, 27 sets of synonym discriminations and over 30 idioms.

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