Involves
v. 包含；牵涉（involve的第三人称单数形式）
🗣️ 情景例句
He appeared ill at ease at the party.
他在宴会上显得很拘谨。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
The book is protected by copyright.
该书受版权保护。