3 sentences

1. 我们要学会省钱，不要乱花钱。

   wǒ​men yào xué​huì shěng​qián, bù yào luàn huā​qián.

   We should learn to save money and not spend it recklessly.

   Source: Dong Chinese Dictionary

2. 为了省钱，他每天坚持走路上下班，从不打车。

   wèi​le shěng​qián, tā měi tiān jiān​chí zǒu​lù shàng​xià​bān, cóng bù dǎ​chē.

   To save money, he walks to and from work every day and never takes a taxi.

   Source: Dong Chinese Dictionary

3. 一方面他想省钱，另一方面他又想买这辆车。

   yī fāng​miàn tā xiǎng shěng​qián, lìng​yī​fāng​miàn tā yòu xiǎng mǎi zhè liàng chē.

   On one hand, he wants to save money; on the other hand, he wants to buy this car.

   Source: Dong Chinese Dictionary