Zonecenter
电话区域交换中心
🗣️ 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，这儿有急病患者，请派一部救护车来。
And trade terminology in English is helpful in actual business negotiations.
对于实际的商务谈判是非常有用的。
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。