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
6:19
Educational
Introduction to Perfect Competition | Economics 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
Moana How Far I'll Go Lyrics Auli'i Cravalho
B1
2:40
5 Ghost Towns in Australia You’ve Never Heard Of (Until Now)
B1
13:46
Gold Heist Scene - Money heist season 5 part 2 Episode 10
B1
2:50
Tony Greig - Commentary Gold
B1
1:49
Scotland 5 Day Road Trip | Isle of Skye, The Highlands, West Coast
B1
13:20
Federal Reserve Bank of St. Louis
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
