你说的对，云存储确实有很多优势。
它的优势显而易见：易于备份、易于管理、易于检索，且尤为安全。[{'character': '它', 'pinyin': 'ta1', 'highest pitch': 11.11, 'lowest pitch': 10.62, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 11.22, 'lowest pitch': 8.78, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '优', 'pinyin': 'iou1', 'highest pitch': 9.34, 'lowest pitch': 8.78, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '势', 'pinyin': 'shiii4', 'highest pitch': 9.07, 'lowest pitch': 7.55, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '显', 'pinyin': 'xian3', 'highest pitch': 7.84, 'lowest pitch': 5.3, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '而', 'pinyin': 'er2', 'highest pitch': 6.82, 'lowest pitch': 4.96, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '易', 'pinyin': 'i4', 'highest pitch': 10.11, 'lowest pitch': 6.82, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '见', 'pinyin': 'jian4', 'highest pitch': 10.62, 'lowest pitch': 5.99, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.32}, {'character': '易', 'pinyin': 'i4', 'highest pitch': 10.11, 'lowest pitch': 8.68, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 10.26, 'lowest pitch': 7.53, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '备', 'pinyin': 'bei4', 'highest pitch': 10.51, 'lowest pitch': 8.66, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '份', 'pinyin': 'fen4', 'highest pitch': 10.75, 'lowest pitch': 7.33, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.13}, {'character': '易', 'pinyin': 'i4', 'highest pitch': 10.11, 'lowest pitch': 7.85, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 10.26, 'lowest pitch': 7.79, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '管', 'pinyin': 'guan2', 'highest pitch': 10.71, 'lowest pitch': 6.19, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '理', 'pinyin': 'li3', 'highest pitch': 10.71, 'lowest pitch': 1.94, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '易', 'pinyin': 'i4', 'highest pitch': 10.11, 'lowest pitch': 8.36, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 10.26, 'lowest pitch': 8.21, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '检', 'pinyin': 'jian2', 'highest pitch': 10.97, 'lowest pitch': 7.32, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '索', 'pinyin': 'suo3', 'highest pitch': 10.97, 'lowest pitch': 4.01, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.39}, {'character': '且', 'pinyin': 'qie3', 'highest pitch': 9.08, 'lowest pitch': 6.24, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '尤', 'pinyin': 'iou2', 'highest pitch': 10.5, 'lowest pitch': 7.0, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 10.16, 'lowest pitch': 6.36, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 7.66, 'lowest pitch': 6.93, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '全', 'pinyin': 'qvan2', 'highest pitch': 7.54, 'lowest pitch': 4.67, 'duration': 0.38, 'prosody hierarchy': '#4'}]