This inspiring step-by-steptraining course is full of secrets that will help professionals and hobbyists alike create stunning photographs of people.
通过本教程循序渐进的训练学习，将有助于专业人士或是业馀爱好者都能创造出惊人的照片。
2
This paper analyzes the difference between back steptraining of traditional sprint and bent step technology of modern sprint from theoretical and practice.
从理论和实践上分析了传统短跑后蹬跑练习与现代“屈蹬式”短跑技术的不同特点。
3
The first step, as Erik Brynjolfsson and Andrew McAfee argue in The Second Machine Age, should be rethinking education and job training.