双打接发教学。如何一直保持主动，就算对方发的再好的球，都可以下压，可以一拍限制对方回球，如何打不同的高水平技术等【李宇轩教练】 

网课在CCtalk 软件上搜索 李宇轩教练，
或上 m.cctalk.com/inst/smp2ezdy
海外是可以用email注册然后用PayPal购买的☺️
现在每一个课程都是有优惠的，而且如果您一次性一起买完7个课程， 有了优惠我们这还会额外的给优惠。
课程是永久的，最重要是遇到任何问题可以发视频给我我会针对性的以视频回您的，也就是说您买了不是自己学而已，还会一直得到我的一对一指导的
For online courses, kindly visit CCtalk and look up 李宇轩教练, or click here m.cctalk.com/inst/smp2ezdy
Overseas purchaser may register using an email and make your payment through Paypal ☺️
Right now there’s a discount for every courses listed, and if you were to purchase all 7 courses available, we will provide an additional discount on top of the previous ones.
Once you’ve purchased the courses, they are yours to access for life. Most importantly, you will be eligible to send a video recording regarding any problems or questions you may have and get a detailed answer in video recording as well, which means you are not learning all by yourself but have direct guidance from Coach Lee as well.