2 sentences

1. 在做决定前，他仔细衡量了各种方案的利弊。

   zài zuò jué​dìng qián, tā zǐ​xì héng​liáng le gè​zhǒng fāng'àn de lì​bì.

   Before making a decision, he carefully weighed the pros and cons of various options.

   Source: Dong Chinese Dictionary

2. 在做最后决定之前，我们必须仔细权衡各种利弊。

   zài zuò zuì​hòu jué​dìng zhī​qián, wǒ​men bì​xū zǐ​xì quán​héng gè zhǒng lì​bì.

   Before making a final decision, we must carefully weigh the pros and cons.

   Source: Dong Chinese Dictionary