他常常独自散步，在安静的小路上思索人生的意义。

Tā chángcháng dúzì sànbù, zài ānjìng de xiǎolù shàng sīsuǒ rénshēng de yìyì.

He often walks alone, reflecting on the meaning of life on quiet paths.

这个问题值得我们长期思索和讨论。

Zhège wèntí zhíde wǒmen chángqī sīsuǒ hé tǎolùn.

This question is worth our long‑term reflection and discussion.