Leadin
n. 引入线；用以引起兴趣的事物；导言\\na. 引入的
🗣️ 情景例句
Miss Chen is not in right now. She went shopping.
陈小姐现在不在，她去买东西了。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
OK.Thanks.
谢谢。