✅ 同义词
🗣️ 情景例句
Hello, hello.... Oh, hi, Susan.
喂 喂……啊 嗨 Susan
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。