2 sentences

1. 不是所有的友谊，都值得维系。

   bù​shì suǒ​yǒu de yǒu​yì, dōu zhí​de wéi​xì.

   Not every friendship is worth maintaining.

   Source: CCMatrix

2. 在有些文化中，友谊意味着维系两个人的牢固的持续终生的纽带。

   zài yǒu​xiē wén​huà zhōng, yǒu​yì yì​wèi​zhe wéi​xì liǎng​ge rén de láo​gù de chí​xù zhōng​shēng de niǔ​dài.

   In some cultures friendship means a strong life-long bond between two people.

   Source: UM-Corpus: Education