Underperforms
vt. （股票等）运作差于（一般市场价格）\\nvi. 表现不佳；工作不如预期（或同行）
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
His apology didn't seem sincere.
他的道歉看起来不是真诚的。
It's a book.
一本书。