Systems
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
That's wrong.
这是错的。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。