例： I'm busy just now．我現在很忙。
I'll tell you a story just now if you have time to listen to it．
如果你有時間，我馬上就把故事講給你聽
just now 有三種含義：
1、at this moment 此時、此刻、眼下
Come and see me later, I'm busy just now! 過些時候再來，我這會兒正忙著呢！
2、during this present period 目前；現階段
Business is good just mow. 目前生意很紅火。
3、onlu a short time ago 剛才；剛剛；一會兒前
I saw her just now. 我剛剛見到過她。
注：just一般不用于否定形式！