Superadditivity
超加和性; 超加性
??? 情景例句
I'm too deeply involved.
我已陷得太深，難以自拔了。
To err is human.
人無完人。
Often, I know what she's going to say. Sometimes, I know what she's thinking.
通常，我知道她想說什么。有時候，我知道她在想什么。