Obligative
专性的
🗣️ 情景例句
Can you give me a little deal on this?
这能卖得便宜一点吗？
Sigh, I'm so hungry. Can I have a bite?
噢，我肚子饿了。我可以吃一口吗？
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。