名词
1. A refrigerator was then a luxury.
那时候冰箱是种奢侈品。
2. What a luxury it is to be alone!
单独一人多舒服！
3. They live in luxury.
他们生活奢华。
4. They live in luxury in a very big house.
他们在一所很大的房子里过着奢侈的生活。
5. She enjoyed the luxury of doing good.
她以行善为乐事。