摘 要: | Anexpertofpsychologyputsaninsect(昆虫)intoaglass.Thein鄄sectcanjumpveryhighandit蒺seasyforittojumpoutoftheglass,thentheexpertcoverstheglasswithapieceofglass.Theinsectjumpsupbutisknockedbacktothebottomoftheglass.Ittriesseveralmoretimesandtheresultisthesame.Thenitpreferstostopjumpingagainevenwhentheexperttakesthecoveraway.Humanbeingssometimesmakethesamemistakesastheinsect.Iftheyhaveworkedhardatsomethingoveraperiodoftimeandhaven蒺treachedtheaimstheyhaveexpected,theywilleasilyloseheart,think鄄ing…
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