此外还有助教辅导 TA Tutoring
还有教辅
And a teaching assistant.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
只要还有一个勤奋刻苦的学生，在一堆厚厚的教辅书中翻来翻去、搔首踟蹰，费力地寻找那似曾相识的题目和解答，我们就绝不会满足。
We can never be satisfied as long as there is still one hard-working student who has to be in perplexity and search arduously for a similar exercise from a high stack of books.
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