Propaedeutical
a. 初步的, 基本的, 预备的
🗣️ 情景例句
Well, it's too bad that you have to go.
真遗憾，你要走了。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。