Generation function
[计] 生成函数, 母函数
🧩 词语组成解析
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
When the light went out, I was cleaning the yard.
当熄灯的时候，我在清理庭院。
for even though it was far too big for her needs, she persisted in living there long after her husband's death.
房子实在太大了，但在丈夫去世多年后，她仍然执意长年住在那儿。