The 10,000-Hour Rule says that you need approximately 10,000 hours of practice to become a world-class expert in a field. There is no other way: if you want to be a world-class expert in your field, you must do your 10,000 hours of practice.
一万小时天才理论说的是：要想成为这一领域的世界级专家，你就需要花大约一万个小时来练习。没有其他的法子，如果你想成功，那就必须得花一万个小时。
Then, where should you invest my 10,000 hours of practice?
那么，你应该把这一万个小时花在哪里呢？
This question is important because 10,000 hours is a lot of time. If you consistently practice 4 hours a day for 6 days a week, you will still need 8 years to get 10,000 hours. So answering this question is essential. If you need to invest such a huge amount of time, you”d better do it right. You”d better find your ni
