2 sentences

1. 不要浪费金钱为空荡荡的房屋供暖或制冷。

   bù​yào làng​fèi jīn​qián wèi kōng​dàng​dàng de fáng​wū gōng​nuǎn huò zhì​lěng.

   Do not waste money cooling or heating an empty house.

   Source: CCMatrix

2. 她警告说，如果科学家们不改进技术，就会既浪费时间又浪费金钱。

   tā jǐng​gào shuō, rú​guǒ kē​xué​jiā men bù gǎi​jìn jì​shù, jiù huì jì làng​fèi shí​jiān yòu làng​fèi jīn​qián.

   She warned scientists that if they didn’t improve their techniques they would be wasting both time and money.

   Source: CCMatrix