What's your major? I major in Electronic Engineering.
你的專業是什么？我主修電子工程。
What's your major in the university of Auckland?
您在奧克蘭大學主攻的專業是什么？
His major is the hardware of a computer.
他的專業是電腦硬件。
This is the one major drawback of the new system.
這是新系統的一大弊端。
He played a major role in setting up the system.
他在建立這個系統的過程中扮演了主要的角色。