2 sentences for 比较 (bǐ​jiào — comparison)

1. 我做了一些比较。

   wǒ zuò le yī​xiē bǐ​jiào.

   I did some comparisons.

   Source: OpenSubtitles

2. 经过仔细的比较，我们决定买这个。

   jīng​guò zǐ​xì de bǐ​jiào, wǒ​men jué​dìng mǎi zhè​ge.

   After a careful comparison, we decided to buy this one.

   Source: Dong Chinese Dictionary