1.scale back 相应缩减，按比例缩减
例句：Once the traffic died down, the application would scale back — all without any manual intervention.
一旦流量降低，应用程序将收缩回去 — 无需任何人工干预^|ym4NEb_zYJW]S4i-j。
2.a series of 一系列，一连串
例句：The challenger delivered a series of punches to the champion.
那位挑战者向冠军发动一连串猛击VZ+Q,6XJ]ExXB^1EzEQs。