And recording that kind of voice in multiple languages would just be very costly and perhaps even wasteful.
如果做多个语言的语音将十分昂贵而且有可能导致浪费。

Both these rich deposits were discovered after liberation. He was extravagant and wasteful after he made a fortune.
这两座富矿都是解放后发现的。发财后, 他的生活放纵奢靡。

Lower tax rates and a simpler consumption tax base would also reduce wasteful tax evasion and tax avoidance behavior.
较低的税率和更简单的消费税收基数也会减少逃税行为。

Make juice sauce with the tomato like foreigner again, the acidity of the tomato is unfruitful also and wasteful good wine.
又如洋人用蕃茄做汁酱，蕃茄的酸性也徒然浪费了好酒。

I do not regard books as extravagances. We should oppose and put a stop to the unhealthy tendency of being extravagant or wasteful.
我认为书不是侈奢品。反对铺张浪费, 制止挥霍奢侈之风。