01 / 30Vanity Fair≈ approximate level A20:23–0:25 .
02 / 30Sprouts≈ approximate level B21:58–2:04
.
03 / 30Big Think≈ approximate level B25:22–5:25
, , .
04 / 30The New Yorker≈ approximate level B10:41–0:45
.
05 / 30CNBC Make It≈ approximate level B13:33–3:37
, .
06 / 30CNBC Make It≈ approximate level A28:46–8:50
, , .
07 / 30CrashCourse≈ approximate level C14:00–4:04
, .
08 / 30CNBC Make It≈ approximate level A28:42–8:46
.
09 / 30The School of Life≈ approximate level B22:06–2:11
.
10 / 30CrashCourse≈ approximate level B13:56–4:02
, .
11 / 30The School of Life≈ approximate level B21:40–1:46
.
12 / 30PBS NewsHour≈ approximate level B11:48–1:52
.
13 / 30Big Think≈ approximate level A21:41–1:46
, .
14 / 30CNBC Make It≈ approximate level A26:46–6:49
.
15 / 30The School of Life≈ approximate level B20:32–0:39
, , .
16 / 30The School of Life≈ approximate level B20:31–0:38
, , .
17 / 30TED-Ed≈ approximate level B24:01–4:08
, .
18 / 30CrashCourse≈ approximate level B27:40–7:45
, , .
19 / 30Lex Clips≈ approximate level A26:14–6:19
.
20 / 30CrashCourse≈ approximate level A23:50–3:56
, .
21 / 30Big Think≈ approximate level B18:45–8:47
?
22 / 30Lex Clips≈ approximate level A20:33–0:37
, .
23 / 30BBC Learning English≈ approximate level C12:07–2:14
.
24 / 30TED≈ approximate level B23:49–3:58
, , , , : .
25 / 30The School of Life≈ approximate level C10:24–0:29
?
26 / 30Vogue≈ approximate level B14:28–4:34
, .
27 / 30Lex Clips≈ approximate level B21:42–1:48
, , , , , ?
28 / 30CNBC Make It≈ approximate level B16:49–6:54
, .
29 / 30The School of Life≈ approximate level B22:09–2:17
, .
30 / 30PBS NewsHour≈ approximate level B23:51–3:55
, ?