it's short for "that kind of English" it's perfectly ok
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送交者: Enlighten 于 2007-12-20, 12:07:49:
回答: 你的"that English"是哪一国的地道英语? 由 方舟子 于 2007-12-20, 11:58:10:
for casual web chat. but "that English" is totally inappropriate for a formal letter from a prof to his student when addressing such serious issues as academic dishonesty.
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