Unstable systems
[计] 不稳定系统
🧩 词语组成解析
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
Fortunately, I found his house at once.
很幸运地，我立刻找到他家。
Experience is the father of wisdom and memory the mother.
经验是知识之父，记忆是知识之母。
Good idea!
好主意！