Từ chỉ định — This, That, These, Those
Bước 1/5 — Ngữ liệu
Steve Jobs — iPhone Launch Keynote, Apple Special Event (2007)
"Today, Apple is going to reinvent the phone." He held up the device. "This is a widescreen iPod with touch controls. This is a revolutionary mobile phone. And this is a breakthrough internet communicator. These are not three separate devices. This is one device."