why are we not confident and howto be confident?

[视频作者] bili_91570172576

[视频时长] 4:5

[视频类型] 科学科普

https://www.baidu.com/sf/vsearch?pd=video&tn=vsearch&lid=897a71c90000467b&ie=utf-8&rsv_pq=897a71c90000467b&wd=ted&rsv_spt=5&rsv_t=cc54tr%2Bo9NxMKEPlWQKpNyGb88%2FTpeZdJfDmpXkSwVvboboOAEhfPV2fq%2B8&rsv_ 如何才能变得自信？自信的人可以说是生活的赢者。看起来吧，变得自信，掌握人生。