Thanks for the reply! It's a valuable complement. I'll add your point for a further discussion in the coming third article "Programming language switching Soci

Thanks for the reply! It's a valuable complement. I'll add your point for a further discussion in the coming third article "Programming language switching Sociology". Of course, anyone are welcome to add points here, I'll delay to finish the third in the next week. Feel free to add your points so that I can organize them together.