#酷艾英语早起团[超话]# If you can't describe what you are doing as a process, you don't know what you're doing.·W. Edwards Deming http://t.cn/AXah7NqO
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#酷艾英语早起团[超话]# If you can't describe what you are doing as a process, you don't know what you're doing.·W. Edwards Deming http://t.cn/AXah7NqO