例如，我认识一位出色的公司老板，他很爱车，并精通如何给汽车换油，甚至比专业技工还快，但是他自己的车，大部分时间，还是开到专业车店去换油。

For instance, I know a capable company boss, who is also an expert in private cars and very skillful at changing car oil, even more efficiently than a mechanic.

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人们日益认识到精通学术词汇及学术语言对于学生在学校成功学习之重要性。

There is a growing awareness of the importance of academic vocabulary, and more generally, of academic language proficiency, for students' success in school.

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