Efficacity
n. 效力, 功效
🗣️ 情景例句
I speak the Shanghai dialect and the Mandarin.
我会讲上海话，普通话。
I said, Is there anything I can do?
我是说:我能为你做点什么吗？"
This brief experiment would dispel any further doubts you might have.
这一简单的试验会消除你可能存有的一切疑虑。