Employees in the open office are encouraged to wear headphones during long phone calls.

開放式辦公室的員工被鼓勵在長時間通話時戴上耳機。

The flight attendant handed out free headphones before the in-flight movie began.

空服員在機上電影開始前發放免費耳機。

Customer service agents must test their headphones before logging in to the call system.

客服人員登入通話系統前必須先測試耳機。