Act like a business man

blazer: a jacket, not worn with matching trousers, often showing the colors or badge of a club, school, team, etc.

nonchalance: a calm and relaxed way of behaving; behavior that gives the impression you are not feeling worried

pore over: to look at or read something very carefully

upscale: in a way that involves buying or selling goods and services that are expensive and of high quality

go belly up: (informal) to fail completely

scrawl: to write something in a careless untidy way, making it difficult to read

broach: to begin talking about a subject that is difficult to discuss, especially because it is embarrassing or because people disagree about it

hotshot: a person who is extremely successful in their career or at a particular sport

proponent: a person who supports an idea or course of action

addendum: ​a section of extra information that is added to something, especially to a book

obligation: something which you must do because you have promised, because of a law, etc.

stipulate: specify

giddily: dizzily

rehash: to arrange ideas, pieces of writing or pieces of film into a new form but without any great change or improvement

miffed: slightly angry or upset

scramble: to get or gather something with difficulty or in irregular ways

Bill Gates "Source Code"

Online Dictionaries Used:

hk.dictionary.search.yahoo.com

www.oxfordlearnersdictionaries.com

www.merriam-webster.com