作者说每个人都可以通过训练提升技能，但是需要使用正确的方法，而不是光凭try harder就可以的。如果练习了很久，还是没有提高，要反思一下是否是方法不正确。想要提高，找到正确方法也很关键。
The deliberate-practice mindset offers a very different view: anyone can improve, but it requires the right approach. If you are not improving, it’s not because you lack innate talent; it’s because you’re not practicing the right way. Once you understand this, improvement becomes a matter of figuring out what the “right way” is.
当一件事情做完后一定要寻求反馈，总结，并且通过他人的反馈调整方法，策略。
Learning while real work gets done.
Words&Expressions
1. It was 1968, and the Vietnam War was in full swing.
in full swing In full operation, at the highest level of activity. 如火如荼的进行
Eg: Relief efforts are in full swing following a 7.0 magnitude earthquake in Jiuzhaigou this week.
2. Thus they were, for all practical purposes, top-notch North Vietnamese fighter pilots, with one exception: instead of missiles and bullets, their aircraft were equipped with cameras to record each encounter.
top notch the absolute best
Eg: Jack's singing in the musical is top totch.
3. It allows radiologists to test themselves with a variety of mammograms they can retrieve from the library.
radiologist 放射科医生；X光科医生
