乘搭火车相对来说比较便宜。

Chéngdā huǒchē xiāngduì láishuō bǐjiào piányí.

Taking the train is relatively cheaper.

他相对年轻，经验不足。

Tā xiāngduì niánqīng, jīngyàn bùzú.

He is relatively young and lacks experience.

这个地方相对安静。

Zhège dìfāng xiāngduì ānjìng.

This place is relatively quiet.