这一文档也说明了为了成功业务必须达到的目标。
This document also spells out results the business must achieve in order to prosper.
呼叫的第二档从目标方或应答设备接听该电话时就立即开始。
The second leg of the call begins as soon as the destination party or answering device answers the telephone.
当目标方接听电话时，第二档就开始了。
When the destination party picks up the call, the second leg begins.
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