Efficaciousness
n. 有效;灵验
🗣️ 情景例句
If we land a man on the moon, I think someone could surely invent a toaster that works properly.
如果我们能让人类登陆月球，我想一定会有人能发明在月球上还能正常运行的烤面包机。
Modesty is the ornament of woman.
端庄可为妇女增添光彩。
Everyone has something to sell.
人人都有东西可以出售。