I'm a developer.

I am on STEEM - steem is the best

本ID曾用于发布退休老师贺庆媛女士和农民马小苟先生的作品，所有收入归原作者，感谢关注。/ Published posts from Mrs He & Mr Ma. All earnings go to original authors. Thanks for support.

All the past is experience.

Repairman & blogger.