If you want to prepare some skills in advance before coming to the United States, which online course platforms would you recommend?
如果来美国前，想提前准备一些技能，会推荐哪些线上课程平台？
The most common is Udemy & Coursera. If it is a skill course, I would recommend Udemy, but if it is a formal school course, I recommend Coursera. Before coming to the United States, you can get used to the speed and rhythm of the school course. Extended reading:  [North America Job Search] #0 Engineer interview resources, 15 essential websites, 2 books, 4 PROJECTS
最常见的就是Udemy & Coursera，如果是技能类的课程我会很推Udemy，但如果是正规的学校课程则推荐Coursera，可以再来美国前，先习惯一下学校课程的语速跟节奏。 延伸阅读：[北美求职] #0 工程师面试资源，15个必备网站、2本书、4个PROJECTS