A measurement of how users feel about the services being delivered to them. Frequently, the benchmarking or survey work is done by a third-party firm.
测量用户对所交付服务的感觉。通常，测量或调研工作是由第三方公司来进行。
A measurement of how users feel about the services being delivered to them. Frequently, the benchmarking or survey work is done by a third-party firm.
测量用户对所交付服务的感觉。通常，测量或调研工作是由第三方公司来进行。
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