Operationally
大学 College运作上\\n操作上
🗣️ 情景例句
She's unhappy
她很不高兴。
Whose book is this?
这是谁的书？
Happy birthday! said the twins, and gave her a big red box.
“生日快乐！”双胞姐妹说，并将一个大红盒子送给了她。