Informalities
n. 非正式( informality的名词复数 ); 不拘礼节
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
There is no general rule without some exception.
普遍规律必有例外。
How do you do?
您好！