Tôi đã là nhân viên chăm sóc khách hang và giải quyết khiếu nại cho Viettel nhiều năm. Tôi luôn im lặng nghe họ nói khi họ nóng giận Tôi đã thành thói quen với điều đó.
I was personnel taking care of customers and resolving your complaint to Starhub for many years.I keep silent to hear them talk when they madI got into the habit with that.
I've been a customer care staff and resolve complaints for Viettel many years. I always hear them talking quietly when they were angry I had a habit of that.