版权声明：世上没有白读的书，每一页都算数。 https://blog.csdn.net/chengyq116/article/details/81603638
刻意练习 + 一万小时定律 - ForeverStrong Cheng
20180812 - 090956
1. 钢笔字
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