Preapproach
销售事先调查
🗣️ 情景例句
They fleeced me.
他们骗了我。
No,it isn't.
不，不是。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，