我很喜歡帶學生實地去使用中文，買杯咖啡看似容易，但卻是很多學習者使用中文完成的第一個交易。 是一小步，也是一大步。
I do love taking students to use Chinese in a real shop. Buying a cup of coffee seems easy, but it might be the first transaction that many learners accomplish in Mandarin. It's a small step, but also a big step.