She had worked as a call centre operator making cold calls for time-share vacations.

她曾经在一个呼叫中心担任话务员，打陌生推销电话推销分时度假。

Do we make cold calls?

我们做电话推销吗？

I made many cold calls.

我打了很多推销电话。

I always get many cold calls.

我经常接到推销电话。

Pick up the phone and make those cold calls.

冷不防给潜在客户打打电话。