If you can is clear of defined target is to solution human waste and effectiveness not Zhang of problem, that now has a solution programme, can let you only with a people, and half of time on can completed also of work, and wake rate can upgrade to 1%, then you again assessment wake rate from 0.1% upgrade to 1% Hou, on revenue and customer business brings of contribution, you is easily to on can judge this programme of effectiveness and value. (173 words)
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