Youtube上的频道如 Edulingu



170,000 13.0%



3,390,000 1.13%


104,000 6.3%


23,100 4.43%


5,030 6.86%

10,100 3.39%


44,600 3.47%



760,000 1.68%

99,000 3.23%

3,870,000 2.63%

160,000 4.21%

1,540,000 2.64%

1,520,000 3.82%