Vfss
[计]= Voice Frequency Signalling System,音频信号系统
🗣️ 情景例句
Nothing to worry about.
没有什么好担心的。
Goods are theirs that enjoy them.
能享受自己财产的人是财产的真正主人。
It's black. It's a black car.
是黑色的，一辆黑色的车。