In the form of poetry, they are both free and restrained. The difference is that I am a small river, with natural and elegant format, gentle tone, warm and bright tone, lively melody, relaxed tone and strong charm. Farewell to Cambridge uses the method of sending affection to things, with a touch of diplomatic farewell.
In the image of river, both people use river to refer to something, but the difference is that one is the first person and the other is the third person.
Hope to adopt