parol evidence的用法和樣例：
例句
- The parol evidence rule applies to evidence as to what the express terms of a contract are.
口頭證據規則適用於確定合同的明示條款的證據。 - Another constitutional change aims to improve a hidebound judicial system, introducing oral evidence and moving towards adversarial trials.
另一項憲法改革旨在改進迂腐保守的司法系統，並將口頭證據和抗辯制庭審系統引入法庭。
