Signalling
[计] 信号传输法
✅ 同义词
🗣️ 情景例句
Hello, it's good to see you again.
很高兴又见到你。
Business sweetens pleasure, and labour sweetens rest.
工作后消遣更愉快，劳动后休息更舒畅。
I'd like to see your showroom.
我想参观你们的展示中心，