Ifelse
如果…否则
🗣️ 情景例句
and my friends don't want to go.
我的朋友们又不想去。
Wendy, I'd like you to meet my brother Sam.
温迪，我来向你介绍一下我的兄弟萨姆。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。