Kerfed
(kerf 的過去分詞) n. 劈痕, 截口, 切口\\n[機] 鋸口, 截口
??? 情景例句
instead of redesigning the entire system.
而不必重新設計整套系統。
It was quite good. But it was awfully long.
班機很好，就是時間太長了。
Bye!
再見！