Chinese teachers know how and when to provide clear and meaningful feedback to students during target language communication. 中文老师知道在目标语交流时如何和何时给学生提供清楚，有意义的反馈。
EPT is constructed by using non-ambiguous words of target language, which is semantically equivalent to the source ambiguous words. 该方法利用源语言岐义词不同语义下目标语译文的单义同义词集合，定义并构造等价伪译词。
