I highly recommend it! Before I started the course, I had vague ideas, but after listening to the lecture, I feel like I can find the main idea! First of all, this is a lecture with a short lecture time that I can listen to during my lunch break at work. The teacher's diction is clear and the lecture is concise and clean. It was very good to use it as a way to review what I learned during lunch that day at home after work. This is a lecture that can give you great satisfaction in a short amount of time.