Youtube上的频道如 knowcity



309,000 3.86%


705,000 4.15%

144,000 8.56%

65,300 5.45%

91,000 5.24%

106,000 1.24%

181,000 5.37%

129,000 6.17%

1,860,000 2.15%

222,000 4.18%

1,670,000 2.71%

10,500,000 3.02%


346,000 3.88%



39,800 3.38%

226,000 4.18%



16,000 2.96%

288,000 4.07%