Systems
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
While the Chinese rely on chopsticks, westerners prefer to use a knife and fork to eat with.
用餐时，中国人喜欢用筷子，而西方人喜欢用刀叉。
He that knows nothing, doubts nothing.
无知就无疑。
You did fairly well!
你干得相当不错1