登録して招待リンクを共有すると、動画再生報酬と紹介報酬を獲得できます。

César A. Hidalgo
@cesifoti
Scholar. Author. Entrepreneur. Founder, Center for Collective Learning & The Observatory of Economic Complexity (OEC). Latest book: The Infinite Alphabet
参加 March 2009
3.2K フォロー中    59.5K ファン
I finally understand why every place here is rated in a 4.2 to 4.9 scale :)
Giving a restaurant a three star review is illegal in Germany.