Ack0
[计] 确认, 肯定, 偶肯定应答
🗣️ 情景例句
Does anyone have any complaints?
谁有什么不满意的地方吗？
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。