2 sentences

1. 他有很多旧时光的故事。

   tā yǒu hěn​duō jiù​shí​guāng de gù​shi.

   He's got a lot of stories about the old days.

   Source: OpenSubtitles

2. 美好的旧时光留下相当大的改善空间。

   měi​hǎo de jiù shí​guāng liú xià xiāng​dāng dà de gǎi​shàn kōng​jiān.

   The good old days left considerable room for improvement.

   Source: UM-Corpus: News