合算

例句：

1. 1. The deal is very good, it's a great bargain for us.
   这个交易非常好，对我们来说是个很好的交易。
2. 2. This restaurant is very affordable, you can get a good meal for less than $20.
   这家餐厅很便宜，你花不到20美元就能吃一顿好饭。
3. 3. He decided to buy the house because it was a good deal for him.
   他决定买这所房子，因为它对他来说是个好交易。