高级英语对话
第 213 课:购买芒果-3
A: Where is some fresh produce that's on sale? 
B: Well, I think you'll like the mangoes. 
A: I've never had a mango. 
B: It's a fruit. It has a big stone in it. 
A: Can you eat the stone? 
B: No. You would break all your teeth on it. 
A: How much are these mangoes? 
B: The sale price today is $1 each. 
A: Can you describe their taste? 
B: They usually taste sweet, but they remind me of an orange. 
A: How can I tell if they're ripe? 
B: Don't cut into them until you can feel that they're soft on the outside. 
A: What country produces them? 
B: They come from tropical countries.