1--Do you want to come with me to Walmart?

2--What do you need to buy?

1--I'm out of groceries.

2--Groceries are expensive at Walmart!

1--You really think so?

2--Yes! You should buy groceries at the market.

1--I also need some new blankets.

2--Well, you'd buy that at Walmart.

1--If Walmart sells both, why go to different stores?

2--You'll save money if you do.

1--Why will I save money by going to different stores?

2--Stores have different prices for different things.

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注解：  

1.groceries生活用品
2.blanket毯子
3.expensive昂贵的

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译文：

1--你想跟我来沃尔玛?
2--你需要买什么?
1--我的生活用品没有了。
2--沃尔玛的生活用品是昂贵的!
1--你真的这样认为吗?
2--是的!你应该在市场买生活用品。
1--我还需要一些新毯子。
2--嗯,你可以在沃尔玛买那个。
1--如果沃尔玛两个都卖,那为什么去不同的商店呢?
2--如果你这么做，你可以节省钱。
1--为什么我要通过去不同的商店省钱?
2--商店对不同的东西有不同的价格。