conventional. Prevailing current of thought. bring into mainstream.

(384–322 BC), Greek philosopher and scientist. A student of Plato and tutor to Alexander the Great, he founded a school (the Lyceum) outside Athens. He is one of the most influential thinkers in the history of Western thought. His surviving works cover a vast range of subjects, including logic, ethics, metaphysics, politics, natural science, and physics..

commercial business. Businesses that sell things or provides services. associate with.

Expected of you, but it didn't turn out that way. To imagine or guess what might happen.

place, person, or thing from which something comes or can be obtained. To get, e.g. a raw material, from somewhere.

To hold a thought in your mind to not forget it.

used to refer to person being addressed.

Important well-respected person. some person.

person who is studying at university or other place of higher education. People studying at school.

study of past events.

To lessen your demands so as to reach agreement.

Used to add new (often different) information.

Person studying important matters, creating ideas.

occasionally, rather than all of time.

having striking or revealing effect. To inform, but without speaking; indicate.