Youtube上的频道如 Studyflix



510,000 1.6%

3,390,000 1.13%

19,500 1.15%

3,210,000 2.78%

54,300 1.27%

55,500 1.28%

14,000 3.13%


20,600 2.32%


163,000 2.04%

10,500,000 3.02%

4,070,000 2.84%

9,720 1.86%

20,000 0.94%

37,100 5.28%

19,600 2.78%


9,280 4.48%

15,600 3.48%

75,800 5.22%


585,000 1.67%

22,400 2.12%