刻意練習 + 一萬小時定律 - ForeverStrong Cheng
20180812 - 090956
1. 鋼筆字
2. New Concept English
New Concept English 1: First Things First
New Concept English 2: Practice & Progress
New Concept English 3: Developing Skills
New Concept English 4: Fluency in English
3. CSDN
https://blog.csdn.net/chengyq116