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一位美国的汽修店老板——鲍勃,讲述自己的生意秘诀。诊断汽车故障,常常要用到各种工具,任何汽修厂都不例外。不断开发新的工具,你可能会有意想不到的收获。
A US auto shop owner Bob, about their business secrets. Diagnosing a car breakdown often involves the use of a variety of tools, and any auto repair shop is no exception. Keep developing new tools and you may have unexpected results.