Yeh
adv. 是（等于yes）
🗣️ 情景例句
Marriage is an institution not to be taken lightly.
婚姻是个不能儿戏的体系。
What are you speaking about?
你正在谈什么？
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。