n.認證；委派

US schools generally announce their accreditation in admission brochures. 通常,美國大學會在招生簡章中聲明自己的認證情況。

How can you tell if a school has accreditation or not? 那么,你又如何知道一所學校是不是受到認證了呢?

I told the school owner how serious this could be since the accreditation delegation is coming. 于是，我對校長提了這件事情的嚴重性，因為認證代表團就要來了。

He carried a letter of accreditation. 他帶了一份委派書。