3 sentences

1. 战争期间，由于物资紧缺，大家只能节食度日。

   zhàn​zhēng qī​jiān, yóu​yú wù​zī jǐn​quē, dà​jiā zhǐ néng jié​shí dù​rì.

   During the war, due to shortages, everyone had to survive on rationed food.

   Source: Dong Chinese Dictionary

2. 由于连年干旱，当地的饮用水资源十分紧缺。

   yóu​yú lián​nián gān​hàn, dāng​dì de yǐn​yòng​shuǐ zī​yuán shí​fēn jǐn​quē.

   Due to consecutive years of drought, local drinking water resources are in short supply.

   Source: Dong Chinese Dictionary

3. 他低价买进那批紧缺的零件，再加价倒出去，赚了一笔。

   tā dī​jià mǎi​jìn nà pī jǐn​quē de líng​jiàn, zài jiā​jià dǎo chū​qù, zhuàn le yī bǐ.

   He bought that batch of scarce parts at a low price and resold them at a higher price, making a tidy profit.

   Source: Dong Chinese Dictionary