但是许多中产阶级的职业，包括卡车运输、金融咨询、软件工程等，已经或者很快会引起他们的兴趣。
But many middle-class occupations—trucking, financial advice, software engineering—have aroused their interest, or soon will.
流程图按照顺序和流动过程形式展现，通常包括图标，如一辆卡车代表的是交通运输环节或烟囱表明是工厂。
A flow chart maps the sequenceand flow of the process and often includes icons, such as pictures of a truckto represent a transportation step or smokestacks to indicate a factory.
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