Overall just average.
The overall system is good, but the material for level 2 is simply not as good as level 1. The modules, questions and explanations are not always helpful or nearly as clear. At the price pt, it should be better.
美国
The overall system is good, but the material for level 2 is simply not as good as level 1. The modules, questions and explanations are not always helpful or nearly as clear. At the price pt, it should be better.