All suffering originates from craving， from attachment， from desire.

Every book is a door that opens onto another world, and every reader is a traveler who steps through it.

The past is always with us, and it shapes who we are and what we become.

跨行业合作是解决能源挑战的关键。

解释：按时饮食，身体就不会遭受灾害，强调了饮食定时的重要性。