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Dear customer, thank you for your valuable feedback! We are going to look into the course in order to figure out how to explain everything better. Also, we have checked the course for the voice issue. The speaker's English surely can be better, but the voice is loud enough to hear, so please make sure you are using Google Chrome on your PC to watch the course videos. Mobile phones, iPads and other browers are not so compatible with our system. This may be the reason that you cannot hear very well.
I watched this session which is explained well and the voice of the presenter is very low which is n...
