时间差

shí jiān chāshijiancha

1. difference in timing; time gap; time lag
2. (volleyball) timing-gap attack (clipped form of 時間差攻擊|时间差攻击[shi2 jian1 cha1 gong1 ji1])
3. (by extension) exploitable time gap; advantage arising from a difference in timing

Study it in Yanamino