Definition: used when you have an idea Level: B1
我知道！我们去海伦家吧。
___I ___know! Let's go to Helen's house.
我知道——我们应该点披萨当晚餐。
___I ___know - we should order pizza for dinner.
我知道！我们今晚看电影吧。
___I ___know! Let's watch a movie tonight.
