Hdm
分层开发方法论
🗣️ 情景例句
Can you take us to...?
你能带我们去……
Come in and make yourself at home.
请进，别客气。
When she's happy, I'm happy. When she feels unhappy, I feel the same.
她快乐时，我快乐。她不高兴时，我也不高兴。