例句：
But learning a second language isn't merely about ordering a meal in a foreign country.
然而，学习外语不单单是为了到另一个国家点菜。
But instead of ordering a meal, she took out a bottle of juice.
但是她并未点餐而是拿出一瓶果汁。
Ordering food and sending it back again.
订完了吃的'又让送回去。
What are they doing? Ss: They are ordering food.
并能运用本单元的句型实行实际对话，学以致用。
木木夕-琪
