这些“后门”本是用销售公司的技术人员为了更新运行软件而留下的密码。
These are passwords used by technicians from firms that sell the devices to update the software that runs them.
不能实施有效的交叉销售项目的公司实际上危害了他们的顾客，并且对他们的竞争者打开了的后门。
Companies that fail to implement an effective cross-selling program actually do a disservice to their customers and in effect, leave the backdoor open to their competitors.
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