私人电话线所连接的系统无法拨打或接听国际电话；国际电话线路只有在受到限制的场合下才会接通。
Private telephone lines operated on a system that precluded making or receiving international calls; international phone lines were available only under restricted circumstances.
私人电话线所连接的系统无法拨打或接听国际电话；
Private telephone lines operated on a system that precluded making or receiving international calls;
我现在在办公室，我们的电话系统查不出私人电话，我试过，请相信我。
I'm at the office and we don't have any way of tracing individual calls on our phone system. And believe me, I have been trying.
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