2 sentences

1. 时代变迁，我们也需要随之改变。

   shí​dài biàn​qiān, wǒ​men yě xū​yào suí​zhī gǎi​biàn.

   Times change, and we need to change with them.

   Source: AI Challenger 2017

2. 我从未料到能够在这么短的时间里看到这样巨大的变迁。

   wǒ cóng​wèi liào dào néng​gòu zài zhè​me duǎn de shí​jiān li kàn dào zhè​yàng jù​dà de biàn​qiān.

   I never expected to see such huge changes in such a short period of time.

   Source: CCMatrix