luxurious，extravagant，wasteful，costliness，extravagance ；

[例句] 靠自己的工资他买不起奢侈的食品。 He could not afford luxury food on his pay.

[例句] 这种奢侈的滑石润肤露能使缺水的皮肤恢复柔软与弹性。 This luxurious talcum lotion restores softness and suppleness to dehydrated skin.

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