Fastnet
abbr. fully automated switched telecommunications network 全自动化交换通信网（络）
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
They won't listen, so don't waste your breath telling them.
他们听不进去，不必和他们多费口舌了。
I can't follow you.
我不懂你说的。