The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
B1 中级
英语
5:00
Educational
Adam Smith and the Invisible Hand Theory Explained
学习统计
B1
CEFR 等级
5/10
难度
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
互动模式
测验
正确！
不太对。
正确答案：
相关视频
Welsh Chef teaches us to cook the NATIONAL DISH of Wales
B1
6:29
The Mystery of Magnetic Worms - Smarter Every Day 253
B1
8:28
One does not simply walk into mordor
B1
0:58
The Moth Presents: John Turturro | Stumbling in the Dark
B1
18:54
what I eat in a day to maintain 49kg/165cm ⌛🏋🏻♀️ FAT LOSS + BUILDING muscle + workout routine
B1
14:35
Korczyk's Class
测验
正确！
不太对。
正确答案：
观看视频时会出现测验
记忆技巧
来自此视频
免费开始学语言
