我很想难过的时候到海边走
[wŏ hĕn xiăng nán guò de shí hòu dào hăi biān zŏu]
'I want to go for a walk by the sea when I'm sad,' conveys finding solace in nature specifically beaches or oceans during emotional distress. Beaches represent open landscapes conducive to introspection and recovery, suggesting a healing aspect linked to the vast, peaceful environment near water bodies.