1, with different meanings: mountains and rivers refer to the gathering of many high and steep peaks, forming a scene of continuous peaks; Alpine refers to the high and steep features of a single peak or mountain range.
2. Different emphases: mountains and rivers focus on describing the dangers of mountains and rivers; Mountains focus on describing the height and steepness of mountains.
3, the source is different: Shanshan came from Wu Yunduo's "Give Everything to the Party in the Mine"; The majestic mountains come from Wang Xizhi's Preface to Lanting Collection in Jin Dynasty.