Signalling
[计] 信号传输法
✅ 同义词
🗣️ 情景例句
Sure. Can you give me fifty dollars in small bills, please, and ten dollars in change?
好的。你可以帮我把50块钱换成小钞，10块换成零钱吗？
He is truly happy who makes others happy.
真正幸福的是使人幸福的人。
Don't remind him. It was nothing.
不要向他提起这件事了。那是微不足道的。