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Consider starting several assignments and encouraging students to expect their subconscious minds to come up with ideas over time . Yes , because those who have learned a little bit of English have picked up English ideas here and there , but this change too - whether it is for the worse or for the better must be left to the reader to judge - is not very perceptible . Bain managed only the idea part . To be on the safe side , I encourage you to go ahead and use a citation if you have any doubts about whether an idea / fact you want to discuss is " commonly-known . How do transnational flows of goods , people , and ideas affect the lives of people and their communities ?