erratic (adj), not happening at regular times; not following any plan or regular pattern, perspective (n), a way of thinking about something, supplement (n), a thing that is added to something else to improve or complete it, prestigious (adj), respected and admired as very important or of very high quality, reliable (adj), that can be trusted to do something well, DISTRACT (v), to take somebody’s attention away from what they are trying to do, pace (v), to set the speed at which something happens or develops, tutor (n), a private teacher, especially one who teaches an individual student or a very small group, concept (n), an idea or a principle, SPECIALIZE (v), to become an expert in a particular area of work, study or business, philosophy, the study of the nature and meaning of the universe and of human life, lecture, a talk that is given to a group of people to teach them about a particular subject, often as part of a university or college course.

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