Systems
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
I'll take it.
我要了。
That's why we were getting anxious about you.
所以我们才为你们担心。