extravagances造句

Why waste money on such extravagances?
为什么把钱浪费在这些奢侈品上呢？

I do not regard books as extravagances.
我认为书不是奢侈品.

It was to the scandal of Mr. Buck the tutor that Pen's extravagances became known.
潘的挥霍成性,导师巴克先生知道以后非常生气.