1.His extravagance explains why he is always in debt.

1.他挥霍无度, 难总欠债。

2.He's always railing against his wife about her extravagance.

2.他总妻子奢浪费。

3.We must combat extravagance and waste.

3.我反对铺张浪费。

4.Mr. Pearson’s income allows of no extravagance in his way of living.

4.皮尔逊先生的收入不允许他过奢的生活。