2 sentences

1. 我们的友谊天长地久。

   wǒ​men de yǒu​yì tiān​cháng​dì​jiǔ.

   May our friendship last forever.

   Source: Dong Chinese Dictionary

2. 愿我们的友谊天长地久。

   yuàn wǒ​men de yǒu​yì tiān​cháng​dì​jiǔ.

   May our friendship last forever.

   Source: Dong Chinese Dictionary