His only extravagance (=the only expensive thing he bought) was fine wine.
他唯一的奢侈品是美酒。
Examples from the Corpus
extravagant• Natureabhors the superfluous, yet is constrained to produce the seemingly extravagant.• The Conservatives, on the other hand, protect the counties and suspect the great urbanauthorities of being extravagant.• Van Jong's personal life was notably extravagant.• Extravagant claims have been made for some herbalremedies including the curing of baldness.• The extravagant claims made were more significant for what they anticipated than for what could then be accomplished.• An extravagantcollection of activities centered on the family shrine, as the sweetscent of incensehovered placidly above us.• When the air became more thickly populated, such extravagant forms disappeared.• Yet, as I said, you are not extravagant, I am.• If anything, we were too extravagant in the late 1980s when money was rolling in - we took everything for granted.• $400 on a dress! That's a bitextravagant, isn't it?• extravagant marketing claims• Rich and extravagantparents are spending more and more money on their children's parties.• Hundreds, thousands, and not one of them with sufficientimagination to try a really extravagantswindle.• The gifts, though not extravagant, were nice.