Redundant system
[计] 冗余系统
🧩 词语组成解析
🗣️ 情景例句
That's my boy!
好儿子！
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
It's quite likely that a decision will be made before the end of the year.
有可能年底前就要作出决定。